Add custom config.json in global account data

UNKNOWN_ERROR when browser doesn't support WebRTC

Some buttons don't visually indicate state in an accessible manner.

Headings button breaks focus in WYSIWYG editor

[Feature Request]: Override default settings via config

Unable to join voice chat

Screenshare volume adjustment and navigation

Push to Talk

Display users in video/voice channels as a list

Camera defaults to enabled in video calls despite UI defaulting to disabled