settings: Use % width for checkbox labels in small narrows. (#14448)
settings: Use % width for checkbox labels in small narrows. (#14448)

This fixes the responsive design for most of our settings pages.

Fixes #14426.

kou/zulip,punchagan/zulip,andersk/zulip,hackerkid/zulip,punchagan/zulip,rht/zulip,eeshangarg/zulip,showell/zulip,shubhamdhama/zulip,eeshangarg/zulip,punchagan/zulip,eeshangarg/zulip,shubhamdhama/zulip,zulip/zulip,shubhamdhama/zulip,showell/zulip,hackerkid/zulip,kou/zulip,kou/zulip,hackerkid/zulip,synicalsyntax/zulip,punchagan/zulip,timabbott/zulip,andersk/zulip,kou/zulip,hackerkid/zulip,andersk/zulip,synicalsyntax/zulip,shubhamdhama/zulip,synicalsyntax/zulip,rht/zulip,zulip/zulip,timabbott/zulip,showell/zulip,brainwane/zulip,shubhamdhama/zulip,rht/zulip,shubhamdhama/zulip,synicalsyntax/zulip,hackerkid/zulip,showell/zulip,zulip/zulip,rht/zulip,hackerkid/zulip,punchagan/zulip,kou/zulip,hackerkid/zulip,timabbott/zulip,showell/zulip,andersk/zulip,zulip/zulip,shubhamdhama/zulip,synicalsyntax/zulip,brainwane/zulip,zulip/zulip,zulip/zulip,brainwane/zulip,showell/zulip,rht/zulip,brainwane/zulip,timabbott/zulip,punchagan/zulip,synicalsyntax/zulip,rht/zulip,andersk/zulip,kou/zulip,showell/zulip,synicalsyntax/zulip,brainwane/zulip,punchagan/zulip,brainwane/zulip,eeshangarg/zulip,andersk/zulip,andersk/zulip,rht/zulip,eeshangarg/zulip,timabbott/zulip,eeshangarg/zulip,kou/zulip,timabbott/zulip,timabbott/zulip,zulip/zulip,eeshangarg/zulip,brainwane/zulip