fix(tabs): pagination only call watcher() when it's a function
fix(tabs): pagination only call watcher() when it's a function

Fix for #1072. Closes #1073.

kennethcachia/material,b-cuts/material,EladBezalel/material,JonFerrera/material,nkoterba/material,valery-barysok/material,hesling/material,Frank3K/material,weiwei695/material,EladBezalel/material,justingrayston/material,nconrad/material,brian-lewis/material,nishant8BITS/material,pwistbac/material,robteix/material,mlabieniec/material,justingrayston/material,EladBezalel/material,franzsilva/material,jeffbcross/material,goodylabs/material,asonni/material,listenlee/material,psaul3/material,CarmenPopoviciu/material,mightyselva/material,robertmesserle/material,bOOm-X/material,un33k/material,p5150j/material,jeremymwells/material,robertbaker/material,Bhavinshah5111/material,cdriscol/material,matthewrfindley/material,vurt/material,mprentic-harris/material,ServiceManagementGroup/material,huoxudong125/material,marpontes/material,Splaktar/material,ryancampbell/material,Bhavinshah5111/material,drrezeau/material,epelc/material,hodeyp/material,bOOm-X/material,JsonChiu/material,valery-barysok/material,vurt/material,andreialecu/material,hannahhoward/material,drrezeau/material,marduke182/material,IRlyDontKnow/material,xiexingen/material,elton0895/material,alfirin/material,eloytoro/material,keshavos/material,onumossn/material,ilovezy/material,pwistbac/material,goodylabs/material,Belicosus/material,welkinhealth/material,tolysz/material,j3ski/material,svetlyak40wt/material,shyndman/material,yangjae/material,hodeyp/material,JackieWei/material,Zagorakiss/material-1,taranjeetsapra/material,stephen-james/material,gkalpak/material,jensenbox/material,hesling/material,angular/material,profoundry-us/material,imjoeco/material,aikalima/material,imjoeco/material,SagarNaliyapara/material,colinskow/material,gmoothart/material,Frank3K/material,jeremymwells/material,nantunes/material,hayloft/material,HipsterZipster/material,ErinCoughlan/material,sandeeppatidar/material,mprentic-harris/material,DerekLouie/material,garmoshka-mo/material,SanderElias/material,brunoqc/material,zhhb/material,mikol/angular-material,paulflo150/material,daniel-nagy/material,JayQuerido/material,vertazzar/material,Bhavinshah5111/material,acoreyj/material,hitesh97/material,kamilkisiela/material,Verarxar/material,BernhardRode/material,theZimmee/angular-material,arush/material,udhayam/material,xale/material,Teremok/material,Antariano/material,dkemper01/material,flowersinthesand/material,andreialecu/material,SamDLT/material,sovanna/material,yangjae/material,victorivens05/material,mattiLeBlanc/material,kennethcachia/material,arlowhite/material,kamilkisiela/material,gabimanea/material,SagarNaliyapara/material,antoniosejas/material,marpontes/material,hiteshsuthar/material,2947721120/angular-material,robertmesserle/material,dmitriz/material,Igosuki/material,antoniosejas/material,flowersinthesand/material,oostmeijer/material,mobinni/material,aanjna/material,keshavos/material,uistyleguide/uistyleguide.github.io,2947721120/angular-material,1012/material,hannahhoward/material,brunoqc/material,xale/material,JsonChiu/material,acoreyj/material,Androguide/material,dalong123/material,JackieWei/material,rassokhina/material,robertmesserle/material,jianwang195823/material,IRlyDontKnow/material,valery-barysok/material,ServiceManagementGroup/material,Sravyaksr/material,miladhamzelou/material,iksose/material,Sravyaksr/material,Benew/material,david-gang/material,weebygames/material,gkalpak/material,CarmenPopoviciu/material,rassokhina/material,DerekLouie/material,SanderElias/material,ErinCoughlan/material,Splaktar/material,rolandoldengarm/material,wisavalite/material,ilovett/material,miaotmac/material,taranjeetsapra/material,Zagorakiss/material-1,theZimmee/angular-material,elton0895/material,ebulay/material,jmcabandara/material,SanderElias/material,hiteshsuthar/material,mlabieniec/material,FrankMeyer/material,isaaclyman/material,iksose/material,daniel-nagy/material,BurovAndrii/material,gabimanea/material,drrezeau/material,b-cuts/material,gkalpak/material,aikalima/material,psaul3/material,ardas/material,weebygames/material,NickBolles/material,marduke182/material,robteix/material,bluebirdtech/material,angularjscl/material,mohislm/material,CarmenPopoviciu/material,masterpowers/material,franzsilva/material,ebulay/material,Bryanschauerte/material,veraksar/material,drrezeau/material,Jeremy017/material,HipsterZipster/material,wanmifam/material,mightyselva/material,asonni/material,ilovezy/material,armst0910/material,quietshu/material,ByJC/material,lukascivil/material,kennethcachia/material,epelc/material,deerawan/material,nkoterba/material,Arteaga2k/material,nconrad/material,kennethcachia/material,wmehanna/material,ashwathgovind/material,hayloft/material,wmehanna/material,Patrik-Lundqvist/material,garmoshka-mo/material,theZimmee/angular-material,hiddestokvis/material,marekmicek/material,eloytoro/material,nkoterba/material,Androguide/material,mohislm/material,1012/material,loic/material,IRlyDontKnow/material,dlochrie/material,marpontes/material,marekmicek/material,JonFerrera/material,veraksar/material,colinskow/material,bendroid/material,psaul3/material,ashwathgovind/material,flowersinthesand/material,bOOm-X/material,franzsilva/material,udhayam/material,nconrad/material,profoundry-us/material,wisavalite/material,imjoeco/material,BurovAndrii/material,dalong123/material,udhayam/material,stephen-james/material,kamilkisiela/material,p5150j/material,dalong123/material,crisbeto/material,Drooids/material,pijey/material,david-gang/material,Verarxar/material,jianwang195823/material,weebygames/material,dlochrie/material,barryvdh/material,Jeremy017/material,mprentic-harris/material,HarrisCorp/material,wmehanna/material,BernhardRode/material,Arteaga2k/material,n1vlac/material,brunoqc/material,Benew/material,robertbaker/material,izeau/material,mikol/angular-material,1012/material,vertazzar/material,amithub/Angular-Material-Web-Design,programmersujeet/material,Azzurrio/material,DerekLouie/material,justingrayston/material,ByJC/material,vanslly/material,isaaclyman/material,RebootJeff/material,weiwei695/material,2947721120/angular-material,ardas/material,ByJC/material,DevVersion/material,noamshemesh/material,noamshemesh/material,DerekLouie/material,welkinhealth/material,angular/material,alfirin/material,Drooids/material,BernhardRode/material,ardas/material,un33k/material,stephen-james/material,BernhardRode/material,ashwathgovind/material,listenlee/material,nconrad/material,asonni/material,ilovett/material,Bryanschauerte/material,shyndman/material,jmcabandara/material,bjfletcher/material,richtmat/material,jeffbcross/material,marpontes/material,gmoothart/material,Mexiswow/material,Zagorakiss/material-1,tolysz/material,veraksar/material,pijey/material,Belicosus/material,hesling/material,j3ski/material,Antariano/material,tarnas14/material,JonFerrera/material,rassokhina/material,pwistbac/material,mikol/angular-material,vertazzar/material,jmcabandara/material,loic/material,BurovAndrii/material,daniel-nagy/material,brian-lewis/material,brunoqc/material,hiddestokvis/material,vanslly/material,onumossn/material,Kielan/material,bendroid/material,mobinni/material,xiexingen/material,gabimanea/material,ebulay/material,Splaktar/material,HipsterZipster/material,ilovezy/material,masterpowers/material,vanslly/material,jeremymwells/material,m0g/material,masterpowers/material,bluebirdtech/material,franzsilva/material,abhijitsinha89/material,hitesh97/material,iksose/material,Teremok/material,Belicosus/material,Antariano/material,armst0910/material,SamDLT/material,cdriscol/material,xiexingen/material,ServiceManagementGroup/material,nantunes/material,dlochrie/material,taranjeetsapra/material,FrankMeyer/material,Bhavinshah5111/material,Mexiswow/material,rolandoldengarm/material,arush/material,bluebirdtech/material,Androguide/material,hayloft/material,david-gang/material,programmist/material,DevVersion/material,miguelcobain/material,mattiLeBlanc/material,n1vlac/material,hodeyp/material,Verarxar/material,jianwang195823/material,Bryanschauerte/material,cdriscol/material,marekmicek/material,Androguide/material,JackieWei/material,profoundry-us/material,Drooids/material,weiwei695/material,p5150j/material,matthewrfindley/material,JackieWei/material,crisbeto/material,sovanna/material,listenlee/material,iksose/material,noamshemesh/material,kwypchlo/material,DevVersion/material,angular/material,FrankMeyer/material,dreamoftrees/material,dkemper01/material,ByJC/material,mohislm/material,ErinCoughlan/material,armst0910/material,davidecavaliere/material,EladBezalel/material,sscovil/material,philipooo/material,hannahhoward/material,hesling/material,HarrisCorp/material,SagarNaliyapara/material,robteix/material,graingert/material,vurt/material,psaul3/material,marduke182/material,izeau/material,matthewrfindley/material,uistyleguide/uistyleguide.github.io,gmoothart/material,mprentic-harris/material,richtmat/material,valery-barysok/material,uistyleguide/uistyleguide.github.io,stephen-james/material,jeffbcross/material,marduke182/material,n1vlac/material,quietshu/material,hitesh97/material,listenlee/material,epelc/material,daniel-nagy/material,xale/material,crisbeto/material,ilovezy/material,rschmukler/material,aanjna/material,masterpowers/material,bendroid/material,Igosuki/material,richtmat/material,ryancampbell/material,Benew/material,ebulay/material,p5150j/material,dalong123/material,1012/material,Jeremy017/material,sscovil/material,clshortfuse/material,gorcz/material,vertazzar/material,antoniosejas/material,SagarNaliyapara/material,huoxudong125/material,dmitriz/material,calebegg/material,eloytoro/material,matthewrfindley/material,miaotmac/material,miaotmac/material,JsonChiu/material,dmitriz/material,colinskow/material,un33k/material,calebegg/material,n1vlac/material,alfirin/material,johanvo18/material,jelbourn/material,DevVersion/material,jadjoubran/material,huoxudong125/material,bjfletcher/material,57-Wolve/material,huoxudong125/material,jensenbox/material,hodeyp/material,dkemper01/material,antoniosejas/material,pan-long/material,willgum/material_03,JayQuerido/material,shyndman/material,welkinhealth/material,loic/material,Kielan/material,paulflo150/material,FrankMeyer/material,ServiceManagementGroup/material,wmehanna/material,philipooo/material,programmist/material,sandeeppatidar/material,JayQuerido/material,dlochrie/material,arlowhite/material,gabimanea/material,Todd-Werelius/material,lukascivil/material,Jeremy017/material,eloytoro/material,Drooids/material,RebootJeff/material,philipooo/material,kwypchlo/material,sovanna/material,robertbaker/material,jeremymwells/material,deerawan/material,abhijitsinha89/material,keshavos/material,wanmifam/material,Azzurrio/material,sscovil/material,programmersujeet/material,paulflo150/material,marekmicek/material,oostmeijer/material,java02014/material-1,paulflo150/material,aanjna/material,hiddestokvis/material,JonFerrera/material,nantunes/material,bendroid/material,hitesh97/material,davidecavaliere/material,zhhb/material,HipsterZipster/material,garmoshka-mo/material,miguelcobain/material,theZimmee/angular-material,programmersujeet/material,quietshu/material,dreamoftrees/material,miladhamzelou/material,Azzurrio/material,zhhb/material,dkemper01/material,HarrisCorp/material,jelbourn/material,AladdinSonni/material,miguelcobain/material,gorcz/material,angularjscl/material,miguelcobain/material,ashwathgovind/material,nishant8BITS/material,Benew/material,NickBolles/material,nishant8BITS/material,rschmukler/material,mlabieniec/material,Mexiswow/material,nkoterba/material,cdriscol/material,deerawan/material,izeau/material,Zagorakiss/material-1,bjfletcher/material,lukascivil/material,Kielan/material,57-Wolve/material,ErinCoughlan/material,goodylabs/material,Mexiswow/material,xale/material,sandeeppatidar/material,tolysz/material,amithub/Angular-Material-Web-Design,udhayam/material,programmersujeet/material,shyndman/material,dmitriz/material,arlowhite/material,jianwang195823/material,pan-long/material,jadjoubran/material,arush/material,57-Wolve/material,taranjeetsapra/material,deerawan/material,hannahhoward/material,HarrisCorp/material,jelbourn/material,onumossn/material,goodylabs/material,kamilkisiela/material,lukascivil/material,mattiLeBlanc/material,ilovett/material,AladdinSonni/material,philipooo/material,Todd-Werelius/material,Todd-Werelius/material,j3ski/material,brian-lewis/material,bjfletcher/material,welkinhealth/material,Arteaga2k/material,aikalima/material,pijey/material,clshortfuse/material,vanslly/material,xiexingen/material,Splaktar/material,amithub/Angular-Material-Web-Design,flowersinthesand/material,profoundry-us/material,tarnas14/material,clshortfuse/material,mightyselva/material,rschmukler/material,j3ski/material,mattiLeBlanc/material,barryvdh/material,JsonChiu/material,bOOm-X/material,gkalpak/material,johanvo18/material,abhijitsinha89/material,un33k/material,jadjoubran/material,pijey/material,quietshu/material,wanmifam/material,veraksar/material,rolandoldengarm/material,barryvdh/material,Sravyaksr/material,colinskow/material,asonni/material,wisavalite/material,keshavos/material,johanvo18/material,bluebirdtech/material,zhhb/material,garmoshka-mo/material,mobinni/material,graingert/material,oostmeijer/material,onumossn/material,andreialecu/material,svetlyak40wt/material,jensenbox/material,justingrayston/material,RebootJeff/material,svetlyak40wt/material,acoreyj/material,tarnas14/material,alfirin/material,NickBolles/material,jmcabandara/material,victorivens05/material,dreamoftrees/material,victorivens05/material,RebootJeff/material,Patrik-Lundqvist/material,tarnas14/material,kwypchlo/material,hiteshsuthar/material,m0g/material,java02014/material-1,willgum/material_03,ilovett/material,robteix/material,Antariano/material,imjoeco/material,robertmesserle/material,abhijitsinha89/material,NickBolles/material,epelc/material,mohislm/material,jadjoubran/material,willgum/material_03,mlabieniec/material,weebygames/material,java02014/material-1,hiddestokvis/material,elton0895/material,SamDLT/material,57-Wolve/material,miaotmac/material,Teremok/material,arush/material,acoreyj/material,mightyselva/material,davidecavaliere/material,andreialecu/material,CarmenPopoviciu/material,Patrik-Lundqvist/material,m0g/material,gorcz/material,2947721120/angular-material,m0g/material,graingert/material,programmist/material,Kielan/material,richtmat/material,yangjae/material,Arteaga2k/material,b-cuts/material,Frank3K/material,willgum/material_03,programmist/material,AladdinSonni/material,clshortfuse/material,angular/material,noamshemesh/material,b-cuts/material,sandeeppatidar/material,crisbeto/material,jelbourn/material,sscovil/material,hayloft/material,davidecavaliere/material,weiwei695/material,kwypchlo/material,BurovAndrii/material,johanvo18/material,calebegg/material,tolysz/material,hiteshsuthar/material,izeau/material,rolandoldengarm/material,wisavalite/material,Todd-Werelius/material,JayQuerido/material,brian-lewis/material,oostmeijer/material,miladhamzelou/material,loic/material,dreamoftrees/material,Bryanschauerte/material,nishant8BITS/material,aanjna/material,Azzurrio/material,arlowhite/material,angularjscl/material,armst0910/material,ardas/material,amithub/Angular-Material-Web-Design,Sravyaksr/material,pan-long/material,pwistbac/material,david-gang/material,Frank3K/material,graingert/material,rassokhina/material,isaaclyman/material,SamDLT/material,java02014/material-1,ryancampbell/material,Verarxar/material,Teremok/material,jensenbox/material,isaaclyman/material,miladhamzelou/material,IRlyDontKnow/material,wanmifam/material,victorivens05/material,AladdinSonni/material,mobinni/material,Patrik-Lundqvist/material,elton0895/material,gmoothart/material