presentation: ignore text shapes with missing calcedFontSize

Merge 2.2 into develop, May 25, 2020 part 2

Merge 2.2 into develop, May 25, 2020

Logging with JSON stringify was leading to crashes. Reverting, need t…

Update bbb-record

Fix #9652

Workaround for freeswitch clock out of sync problems

Prevent userChangedLocalSettings call failing at start

Update message / style for remove user confirmation

Pulled HTML5 locales May 22, 2020

Distinguish between eject and ban for Remove user

Simplify the code used for promote-demote subscriptions

Update shared note item style

Fix userData-shortcuts causing client crash 

Change prompt message when screen share not supported

Do not display "Lock viewers" option in breakouts

Screenshare: add support on Safari 13+ and make constraints configurable

Attempt to fix external video syncing

Only provide modOnlyMessage to moderators

 Format conference num

 - separate conf num with space instead of dash

 Initial work on more flexible formatting is being done in
  https://github.com/ritzalam/bigbluebutton/tree/format-voice-conf-number

 This just addresses complaints on mailing list that separating using '-'
 is confusing.

Refactor STUN/TURN fetch, remove 3rd party fallback STUNs, ...