realm_icon: Use string_id instead of domain for Realm gravitar.
realm_icon: Use string_id instead of domain for Realm gravitar.

hackerkid/zulip,souravbadami/zulip,dawran6/zulip,showell/zulip,rishig/zulip,jphilipsen05/zulip,PhilSk/zulip,rishig/zulip,verma-varsha/zulip,synicalsyntax/zulip,tommyip/zulip,amanharitsh123/zulip,shubhamdhama/zulip,susansls/zulip,souravbadami/zulip,dhcrzf/zulip,hackerkid/zulip,amanharitsh123/zulip,showell/zulip,susansls/zulip,timabbott/zulip,dawran6/zulip,mahim97/zulip,tommyip/zulip,j831/zulip,vabs22/zulip,j831/zulip,hackerkid/zulip,kou/zulip,PhilSk/zulip,PhilSk/zulip,SmartPeople/zulip,brainwane/zulip,jphilipsen05/zulip,eeshangarg/zulip,andersk/zulip,dattatreya303/zulip,andersk/zulip,kou/zulip,jainayush975/zulip,jackrzhang/zulip,vaidap/zulip,dawran6/zulip,souravbadami/zulip,eeshangarg/zulip,brockwhittaker/zulip,vabs22/zulip,showell/zulip,rht/zulip,punchagan/zulip,brainwane/zulip,SmartPeople/zulip,dattatreya303/zulip,amanharitsh123/zulip,brainwane/zulip,verma-varsha/zulip,kou/zulip,punchagan/zulip,dhcrzf/zulip,mahim97/zulip,amanharitsh123/zulip,eeshangarg/zulip,synicalsyntax/zulip,brainwane/zulip,christi3k/zulip,dhcrzf/zulip,j831/zulip,eeshangarg/zulip,brainwane/zulip,souravbadami/zulip,susansls/zulip,punchagan/zulip,rishig/zulip,j831/zulip,synicalsyntax/zulip,vaidap/zulip,shubhamdhama/zulip,susansls/zulip,jainayush975/zulip,kou/zulip,shubhamdhama/zulip,jackrzhang/zulip,andersk/zulip,brockwhittaker/zulip,eeshangarg/zulip,rht/zulip,jackrzhang/zulip,tommyip/zulip,punchagan/zulip,susansls/zulip,tommyip/zulip,andersk/zulip,ryanbackman/zulip,christi3k/zulip,ryanbackman/zulip,shubhamdhama/zulip,jackrzhang/zulip,jphilipsen05/zulip,zulip/zulip,JPJPJPOPOP/zulip,verma-varsha/zulip,hackerkid/zulip,souravbadami/zulip,dhcrzf/zulip,timabbott/zulip,jackrzhang/zulip,timabbott/zulip,jainayush975/zulip,jrowan/zulip,vaidap/zulip,dhcrzf/zulip,christi3k/zulip,Galexrt/zulip,rishig/zulip,vabs22/zulip,amanharitsh123/zulip,vabs22/zulip,jrowan/zulip,JPJPJPOPOP/zulip,timabbott/zulip,timabbott/zulip,hackerkid/zulip,zulip/zulip,rht/zulip,synicalsyntax/zulip,brockwhittaker/zulip,christi3k/zulip,punchagan/zulip,rht/zulip,christi3k/zulip,dhcrzf/zulip,Galexrt/zulip,hackerkid/zulip,showell/zulip,j831/zulip,christi3k/zulip,PhilSk/zulip,brainwane/zulip,Galexrt/zulip,SmartPeople/zulip,amanharitsh123/zulip,shubhamdhama/zulip,Galexrt/zulip,dawran6/zulip,synicalsyntax/zulip,zulip/zulip,rishig/zulip,mahim97/zulip,verma-varsha/zulip,jainayush975/zulip,jrowan/zulip,aakash-cr7/zulip,rishig/zulip,JPJPJPOPOP/zulip,dawran6/zulip,dawran6/zulip,rht/zulip,aakash-cr7/zulip,kou/zulip,ryanbackman/zulip,tommyip/zulip,JPJPJPOPOP/zulip,dattatreya303/zulip,kou/zulip,aakash-cr7/zulip,SmartPeople/zulip,aakash-cr7/zulip,vaidap/zulip,timabbott/zulip,vabs22/zulip,SmartPeople/zulip,kou/zulip,jainayush975/zulip,eeshangarg/zulip,jackrzhang/zulip,aakash-cr7/zulip,rht/zulip,synicalsyntax/zulip,andersk/zulip,brockwhittaker/zulip,dattatreya303/zulip,jrowan/zulip,mahim97/zulip,timabbott/zulip,showell/zulip,synicalsyntax/zulip,hackerkid/zulip,vaidap/zulip,souravbadami/zulip,j831/zulip,showell/zulip,ryanbackman/zulip,andersk/zulip,SmartPeople/zulip,shubhamdhama/zulip,JPJPJPOPOP/zulip,ryanbackman/zulip,vaidap/zulip,jrowan/zulip,andersk/zulip,PhilSk/zulip,showell/zulip,zulip/zulip,zulip/zulip,aakash-cr7/zulip,tommyip/zulip,ryanbackman/zulip,brockwhittaker/zulip,jackrzhang/zulip,mahim97/zulip,jphilipsen05/zulip,rishig/zulip,jainayush975/zulip,rht/zulip,jrowan/zulip,vabs22/zulip,jphilipsen05/zulip,shubhamdhama/zulip,eeshangarg/zulip,dattatreya303/zulip,brainwane/zulip,verma-varsha/zulip,zulip/zulip,zulip/zulip,punchagan/zulip,PhilSk/zulip,brockwhittaker/zulip,tommyip/zulip,punchagan/zulip,dhcrzf/zulip,Galexrt/zulip,Galexrt/zulip,verma-varsha/zulip,JPJPJPOPOP/zulip,mahim97/zulip,susansls/zulip,jphilipsen05/zulip,dattatreya303/zulip,Galexrt/zulip