register: Fix maximum length of realm name field.
register: Fix maximum length of realm name field.

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