components: Change label.checkbox style.
components: Change label.checkbox style.

Change the label.checkbox style to be grey instead of green which I
think blends with the current aesthetic more.

PhilSk/zulip,jrowan/zulip,Juanvulcano/zulip,jackrzhang/zulip,TigorC/zulip,rht/zulip,joyhchen/zulip,AZtheAsian/zulip,jrowan/zulip,zulip/zulip,jainayush975/zulip,vabs22/zulip,verma-varsha/zulip,eeshangarg/zulip,eeshangarg/zulip,susansls/zulip,showell/zulip,j831/zulip,blaze225/zulip,sonali0901/zulip,Galexrt/zulip,rht/zulip,AZtheAsian/zulip,synicalsyntax/zulip,synicalsyntax/zulip,KingxBanana/zulip,brainwane/zulip,shubhamdhama/zulip,souravbadami/zulip,jphilipsen05/zulip,tommyip/zulip,cosmicAsymmetry/zulip,christi3k/zulip,Diptanshu8/zulip,niftynei/zulip,zacps/zulip,punchagan/zulip,shubhamdhama/zulip,samatdav/zulip,cosmicAsymmetry/zulip,Galexrt/zulip,kou/zulip,isht3/zulip,TigorC/zulip,souravbadami/zulip,verma-varsha/zulip,zacps/zulip,kou/zulip,isht3/zulip,niftynei/zulip,zacps/zulip,rishig/zulip,brainwane/zulip,Diptanshu8/zulip,Juanvulcano/zulip,Juanvulcano/zulip,samatdav/zulip,brainwane/zulip,SmartPeople/zulip,cosmicAsymmetry/zulip,PhilSk/zulip,hackerkid/zulip,isht3/zulip,verma-varsha/zulip,j831/zulip,zulip/zulip,andersk/zulip,j831/zulip,jrowan/zulip,Galexrt/zulip,verma-varsha/zulip,vabs22/zulip,synicalsyntax/zulip,showell/zulip,cosmicAsymmetry/zulip,amanharitsh123/zulip,brockwhittaker/zulip,amyliu345/zulip,eeshangarg/zulip,dattatreya303/zulip,shubhamdhama/zulip,isht3/zulip,vaidap/zulip,KingxBanana/zulip,arpith/zulip,ryanbackman/zulip,dhcrzf/zulip,j831/zulip,KingxBanana/zulip,amanharitsh123/zulip,christi3k/zulip,isht3/zulip,JPJPJPOPOP/zulip,dhcrzf/zulip,tommyip/zulip,cosmicAsymmetry/zulip,punchagan/zulip,niftynei/zulip,susansls/zulip,AZtheAsian/zulip,eeshangarg/zulip,kou/zulip,jainayush975/zulip,aakash-cr7/zulip,verma-varsha/zulip,vabs22/zulip,brainwane/zulip,SmartPeople/zulip,sonali0901/zulip,dattatreya303/zulip,niftynei/zulip,JPJPJPOPOP/zulip,showell/zulip,jackrzhang/zulip,Juanvulcano/zulip,zulip/zulip,PhilSk/zulip,dawran6/zulip,hackerkid/zulip,jphilipsen05/zulip,aakash-cr7/zulip,aakash-cr7/zulip,ryanbackman/zulip,amyliu345/zulip,vaidap/zulip,synicalsyntax/zulip,timabbott/zulip,dhcrzf/zulip,joyhchen/zulip,rishig/zulip,cosmicAsymmetry/zulip,jackrzhang/zulip,brainwane/zulip,amanharitsh123/zulip,sharmaeklavya2/zulip,rishig/zulip,brockwhittaker/zulip,amyliu345/zulip,showell/zulip,andersk/zulip,souravbadami/zulip,hackerkid/zulip,SmartPeople/zulip,isht3/zulip,blaze225/zulip,sharmaeklavya2/zulip,synicalsyntax/zulip,susansls/zulip,souravbadami/zulip,tommyip/zulip,mahim97/zulip,vaidap/zulip,dattatreya303/zulip,vabs22/zulip,j831/zulip,joyhchen/zulip,niftynei/zulip,kou/zulip,jackrzhang/zulip,vabs22/zulip,sharmaeklavya2/zulip,ryanbackman/zulip,Diptanshu8/zulip,shubhamdhama/zulip,j831/zulip,christi3k/zulip,dawran6/zulip,brockwhittaker/zulip,aakash-cr7/zulip,blaze225/zulip,sonali0901/zulip,rht/zulip,amyliu345/zulip,sonali0901/zulip,brockwhittaker/zulip,rht/zulip,Galexrt/zulip,dattatreya303/zulip,ryanbackman/zulip,susansls/zulip,timabbott/zulip,brockwhittaker/zulip,dattatreya303/zulip,arpith/zulip,rht/zulip,andersk/zulip,timabbott/zulip,PhilSk/zulip,vaidap/zulip,samatdav/zulip,amyliu345/zulip,Galexrt/zulip,tommyip/zulip,samatdav/zulip,hackerkid/zulip,jainayush975/zulip,SmartPeople/zulip,hackerkid/zulip,dhcrzf/zulip,shubhamdhama/zulip,showell/zulip,dawran6/zulip,vaidap/zulip,jrowan/zulip,kou/zulip,jackrzhang/zulip,jainayush975/zulip,punchagan/zulip,jrowan/zulip,Juanvulcano/zulip,kou/zulip,zacps/zulip,eeshangarg/zulip,zulip/zulip,christi3k/zulip,rht/zulip,susansls/zulip,Galexrt/zulip,synicalsyntax/zulip,mahim97/zulip,dawran6/zulip,amanharitsh123/zulip,kou/zulip,KingxBanana/zulip,joyhchen/zulip,sonali0901/zulip,KingxBanana/zulip,rishig/zulip,blaze225/zulip,jainayush975/zulip,dattatreya303/zulip,eeshangarg/zulip,synicalsyntax/zulip,sharmaeklavya2/zulip,arpith/zulip,TigorC/zulip,PhilSk/zulip,zacps/zulip,andersk/zulip,PhilSk/zulip,sharmaeklavya2/zulip,jphilipsen05/zulip,zacps/zulip,tommyip/zulip,jphilipsen05/zulip,showell/zulip,mahim97/zulip,sonali0901/zulip,susansls/zulip,JPJPJPOPOP/zulip,aakash-cr7/zulip,vabs22/zulip,hackerkid/zulip,hackerkid/zulip,shubhamdhama/zulip,amanharitsh123/zulip,jphilipsen05/zulip,amyliu345/zulip,timabbott/zulip,mahim97/zulip,andersk/zulip,JPJPJPOPOP/zulip,punchagan/zulip,arpith/zulip,Diptanshu8/zulip,brockwhittaker/zulip,andersk/zulip,niftynei/zulip,dhcrzf/zulip,AZtheAsian/zulip,Juanvulcano/zulip,TigorC/zulip,eeshangarg/zulip,Diptanshu8/zulip,sharmaeklavya2/zulip,timabbott/zulip,blaze225/zulip,jphilipsen05/zulip,joyhchen/zulip,rishig/zulip,souravbadami/zulip,blaze225/zulip,punchagan/zulip,amanharitsh123/zulip,brainwane/zulip,mahim97/zulip,zulip/zulip,shubhamdhama/zulip,dhcrzf/zulip,arpith/zulip,andersk/zulip,timabbott/zulip,SmartPeople/zulip,jainayush975/zulip,TigorC/zulip,samatdav/zulip,Diptanshu8/zulip,jackrzhang/zulip,SmartPeople/zulip,showell/zulip,ryanbackman/zulip,dhcrzf/zulip,souravbadami/zulip,aakash-cr7/zulip,samatdav/zulip,tommyip/zulip,joyhchen/zulip,brainwane/zulip,TigorC/zulip,verma-varsha/zulip,jrowan/zulip,punchagan/zulip,tommyip/zulip,zulip/zulip,AZtheAsian/zulip,punchagan/zulip,rishig/zulip,jackrzhang/zulip,zulip/zulip,ryanbackman/zulip,JPJPJPOPOP/zulip,dawran6/zulip,christi3k/zulip,timabbott/zulip,AZtheAsian/zulip,arpith/zulip,mahim97/zulip,KingxBanana/zulip,rishig/zulip,christi3k/zulip,dawran6/zulip,rht/zulip,JPJPJPOPOP/zulip,vaidap/zulip,Galexrt/zulip