auth: Fix authentication methods checkboxes disabling.
auth: Fix authentication methods checkboxes disabling.

Apparently, there were not correctly disabled if you clicked on
"authentication methods" after opening the settings UI another way.
Everything worked fine if you just clicked them, already.

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