Fixes to client-side screenshare/listen only code and log improvements

Reduce db probes for getAvailableActions; Simplify SaveUsernames

Reliably check mod status for clearing chat

This fixes a webkit quirk and should get rid of some of the screensharing/listen only problems with Safari

Also improved the extraInfo error logging in the script to log only the name instead of the whole object on browser errors

Fix microphone failure detection

Fix chat error message alignment (RTL)

Fix space next to current presentation (RTL)

Fix spacing for keyboard shortcuts modal (RTL)

Cleanup old bbb-webrtc-sfu logs

The bbb-webrtc-sfu logs are getting rotated, but the old logs just accumulate. Add the directory to the bigbluebutton cron.daily so they get removed.

Fix duplicate user fetch and chat list bugs

Reduced client load via slight refactor

Change audio error code log property

Tweak record modal text

Make bbb-record count SVG slides

Automated tests: new code for login