Run stunclient if it exists

Merge pull request #12328 from bigbluebutton/dependabot/npm_and_yarn/bigbluebutton-html5/hosted-git-info-2.8.9

Bump hosted-git-info from 2.8.8 to 2.8.9 in /bigbluebutton-html5

Recorded polling events improvements

Fix presentation moving down when someone is talking

Chat input padding

chore: Pulled HTML5 locales, May 12, 2021

fix: show avatar in private chat list

 fix(video): check if encodings array is empty before trying to apply bitrate

fix: presentation uploader error

fix: change firefox legacy warning + add media query for mobile

feat(guests): Introduce dynamicGuestPolicy in setting.yml

fix: action buttons in audio selector - mobile

fix: increase audio menu width

Fix: Eject user from meeting after inactivity warning timeout

fix: handle new message auto-scroll in chat

refactor: Add try/catch on methods

feat: Add warning on meeting end modal about content in meeting. 

fix(events): keep events using resque workflow

Add PollPublishedRecordEvent with all infos (also fix duplicated handlePollStoppedEvtMsg)
Add answer text to UserRespondedToPollRecordEvent (useful for custom answers)
Add type in PollStartedRecordEvent

improve done translation in pt_br

fix: Button for minimize presentation is squished in certain window sizes