Fix code format of modals.js.
Fix code format of modals.js.

Our de facto coding standard for JS modules is not indent
within the boilerplate, and we assign functions to `exports`
in single JS statements.

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