Add check bbb conf

HTML5: Localize more client side strings

[HTML5] Refactor API Closed Captions

HTML5: Drop voice in main room when joining breakout room

HTML5: Hide option to reset status if there is no status (emojis)

Move moderator back to main audio when a breakout room has been ended

Returning number of users that participated in each meeting

HTML5: Localization of labels in audio and chat areas

Fix ´get_all_meetings_request´ being published multiple times

 Fix presentation slide coordinates

 Forgot to assign the values correctly.

 Fix issue where presentation page is displayed incorrectly

 - when we get invalid coordinate for presentation slide, change coordinate so it falls within bounds

HTML5 - Chat scroll fix

Resolves #3623

html5: Close breakout room browser tab when breakout room ends