fix iOS vectir zoom anim regression, close #1259
fix iOS vectir zoom anim regression, close #1259

iOffice/Leaflet,fredericksilva/Leaflet,AP-whitehat/Leaflet,twoubt/Leaflet,fredericksilva/Leaflet,Leaflet/Leaflet,RyanHickman/Leaflet,patrickarlt/Leaflet,codeator/Leaflet,davidlukerice/Leaflet,webmechanicx/Leaflet,Andrey-Pavlov/Leaflet,grahamthompson/Leaflet,gabrielpconceicao/frontend-asset-leaflet,tbassett44/Leaflet,elkingtonmcb/Leaflet,beni55/Leaflet,wpf500/Leaflet,AP-whitehat/Leaflet,dhootha/Leaflet,scaddenp/Leaflet,psicomante/Leaflet,nathancahill/Leaflet,javimolla/Leaflet,srdavis/leaflet-template,Jakobud/Leaflet,wrrnwng/Leaflet,mstahv/Leaflet,stefanocudini/Leaflet,codeator/Leaflet,mbrukman/Leaflet,thalesfsp/Leaflet,mourner/Leaflet,pakro/Leaflet,eriksjaastad/Leaflet,brah/Leaflet,Trufi/Leaflet,brunocasanova/frontend-asset-leaflet,bolshoibooze/Leaflet,akrzyzanowskino/TeamSE,rlugojr/Leaflet,northerneyes/Leaflet,tomnod/Leaflet,Trufi/Leaflet,fab1an/Leaflet,bolshoibooze/Leaflet,msiadak/Leaflet,tomnod/Leaflet,javimolla/Leaflet,nikhildhamsaniya/Leaflet,Fil/Leaflet,snkashis/Leaflet,klaftertief/Leaflet,perliedman/Leaflet,fillerwriter/Leaflet,mbrukman/Leaflet,AndBicScadMedia/Leaflet,alex2wong/Leaflet,wpf500/Leaflet,sisou/Leaflet,grahamthompson/Leaflet,RobertoMalatesta/Leaflet,CorainChicago/Leaflet,DrillingInfo/Leaflet,Ossehoht/Leaflet,billybonz1/Leaflet,CapeSepias/Leaflet,jmutua2015/Leaflet,Leaflet/Leaflet,mediasuitenz/Leaflet,tormi/Leaflet,kumy/Leaflet,nikhildhamsaniya/Leaflet,patrickarlt/Leaflet,jblarsen/Leaflet,frogcat/Leaflet,billybonz1/Leaflet,iZucken/Leaflet,sellonen/Leaflet,elkingtonmcb/Leaflet,bbecquet/Leaflet,Ossehoht/Leaflet,mbrukman/Leaflet,northerneyes/Leaflet,tsantacruz/RotationalMarker,nycitt/Leaflet,klaftertief/Leaflet,wancharle/Leaflet,yohanboniface/Leaflet,frogcat/Leaflet,akauppi/Leaflet,kjell/Leaflet,brah/Leaflet,stefanocudini/Leaflet,frogcat/Leaflet,devjoseluis/Leaflet,Mark-Wood/Leaflet,Ossehoht/Leaflet,CorainChicago/Leaflet,tbassett44/Leaflet,jblarsen/Leaflet,pzdz/Leaflet,sambernet/Leaflet,mediasuitenz/Leaflet,elkingtonmcb/Leaflet,scaddenp/Leaflet,jasonoverland/Leaflet,elfalem/Leaflet,davojta/Leaflet,kumy/Leaflet,andrewmartini/Leaflet,nycitt/Leaflet,MuellerMatthew/Leaflet,akauppi/Leaflet,moklick/Leaflet,msokk/Leaflet,RyanHickman/Leaflet,kumy/Leaflet,kjell/Leaflet,scaddenp/Leaflet,cmulders/Leaflet,stefanocudini/Leaflet,davidlukerice/Leaflet,CapeSepias/Leaflet,javimolla/Leaflet,2gis/Leaflet,msokk/Leaflet,davojta/Leaflet,taraszerebecki/Leaflet,caiiiycuk/Leaflet,akrzyzanowskino/TeamSE,fab1an/Leaflet,CloudMade/Leaflet,tormi/Leaflet,Andrey-Pavlov/Leaflet,bbecquet/Leaflet,yohanboniface/Leaflet,tormi/Leaflet,iOffice/Leaflet,Ubisense/Leaflet,fredericksilva/Leaflet,davojta/Leaflet,Srikanth4/Leaflet,fillerwriter/Leaflet,gabrielpconceicao/frontend-asset-leaflet,alex2wong/Leaflet,wrrnwng/Leaflet,nycitt/Leaflet,frafra/ProntoSoccorsoLiguria,tyrasd/Leaflet,2gis/Leaflet,cartant/Leaflet,twoubt/Leaflet,taraszerebecki/Leaflet,cartant/Leaflet,billybonz1/Leaflet,tsantacruz/RotationalMarker,eriksjaastad/Leaflet,gabrielpconceicao/frontend-asset-leaflet,pzdz/Leaflet,iamjonbradley/Leaflet,rlugojr/Leaflet,litnerdy/Leaflet,sambernet/Leaflet,mstahv/Leaflet,webmechanicx/Leaflet,cartant/Leaflet,RyanHickman/Leaflet,nvoron23/Leaflet,nvoron23/Leaflet,olafurr/Leaflet,cmulders/Leaflet,litnerdy/Leaflet,sellonen/Leaflet,iZucken/Leaflet,dhootha/Leaflet,waeltken/Leaflet,lee101/Leaflet,caiiiycuk/Leaflet,snkashis/Leaflet,CapeSepias/Leaflet,nkovacs/Leaflet,psicomante/Leaflet,mourner/Leaflet,lee101/Leaflet,jblarsen/Leaflet,hyperknot/Leaflet,frafra/ProntoSoccorsoLiguria,jasonoverland/Leaflet,wancharle/Leaflet,huangsong/Leaflet,hyperknot/Leaflet,mourner/Leaflet,Jakobud/Leaflet,Trufi/Leaflet,andrewmartini/Leaflet,msiadak/Leaflet,jmutua2015/Leaflet,waeltken/Leaflet,webmechanicx/Leaflet,RobertoMalatesta/Leaflet,snkashis/Leaflet,andrewmartini/Leaflet,Ubisense/Leaflet,azimux/Leaflet,eriksjaastad/Leaflet,RLRR/Leaflet,olafurr/Leaflet,codeator/Leaflet,geoloep/Leaflet,che603000/Leaflet,MuellerMatthew/Leaflet,devjoseluis/Leaflet,psicomante/Leaflet,starsolaris/Leaflet,Srikanth4/Leaflet,beni55/Leaflet,elfalem/Leaflet,davidlukerice/Leaflet,mstahv/Leaflet,elfalem/Leaflet,jaropolk2/Leaflet,klaftertief/Leaflet,iZucken/Leaflet,alex2wong/Leaflet,brunocasanova/frontend-asset-leaflet,nkovacs/Leaflet,tomnod/Leaflet,brunocasanova/frontend-asset-leaflet,twoubt/Leaflet,jmutua2015/Leaflet,MuellerMatthew/Leaflet,thalesfsp/Leaflet,Neorth/Leaflet,wrrnwng/Leaflet,hyperknot/Leaflet,wancharle/Leaflet,cmulders/Leaflet,pzdz/Leaflet,yohanboniface/Leaflet,tbassett44/Leaflet,brah/Leaflet,wpf500/Leaflet,beni55/Leaflet,Fil/Leaflet,huangsong/Leaflet,Ubisense/Leaflet,iOffice/Leaflet,akauppi/Leaflet,prashen/Leaflet,pakro/Leaflet,taraszerebecki/Leaflet,grahamthompson/Leaflet,dhootha/Leaflet,davidjb/Leaflet,mediasuitenz/Leaflet,2gis/Leaflet,RobertoMalatesta/Leaflet,juliensoret/Leaflet,msiadak/Leaflet,Andrey-Pavlov/Leaflet,sisou/Leaflet,nathancahill/Leaflet,juliensoret/Leaflet,sisou/Leaflet,sellonen/Leaflet,bbecquet/Leaflet,che603000/Leaflet,lee101/Leaflet,Neorth/Leaflet,Leaflet/Leaflet,litnerdy/Leaflet,w8r/Leaflet,danzel/Leaflet,devjoseluis/Leaflet,waeltken/Leaflet,prashen/Leaflet,AP-whitehat/Leaflet,fab1an/Leaflet,nathancahill/Leaflet,pakro/Leaflet,msokk/Leaflet,Mark-Wood/Leaflet,iamjonbradley/Leaflet,nikhildhamsaniya/Leaflet,caiiiycuk/Leaflet,thalesfsp/Leaflet,Srikanth4/Leaflet,lizardtechblog/Leaflet,Fil/Leaflet,w8r/Leaflet,AndBicScadMedia/Leaflet,RLRR/Leaflet,CorainChicago/Leaflet,huangsong/Leaflet,fillerwriter/Leaflet,sambernet/Leaflet,bolshoibooze/Leaflet,w8r/Leaflet,rlugojr/Leaflet,geoloep/Leaflet,RLRR/Leaflet,Neorth/Leaflet,tsantacruz/RotationalMarker,AndBicScadMedia/Leaflet,Jakobud/Leaflet,prashen/Leaflet,starsolaris/Leaflet,starsolaris/Leaflet,akrzyzanowskino/TeamSE,geoloep/Leaflet,jasonoverland/Leaflet,olafurr/Leaflet,iamjonbradley/Leaflet,DrillingInfo/Leaflet