Account for mDNS candidates on gUM fallback for recvonly peers

Some more linting as well

Added event listener to change slides with Page Up and Page Down

Add audio cue and toast on user join settings

Also added some client logging for those cases

Moved video-provider gUM fallback detection to be used only on recvonly streams

Update text style

Add talking indicator to displaying voice users

First round of updates to bbb-conf to support 18.04

Keep html5 client log file permissions

Webcam resizable

Add notification when recording started with no mic users

Merge pull request #8309 from bigbluebutton/dependabot/bundler/record-and-playback/core/loofah-2.3.1

Bump loofah from 2.2.3 to 2.3.1 in /record-and-playback/core

Bumps [loofah](https://github.com/flavorjones/loofah) from 2.2.3 to 2.3.1.
- [Release notes](https://github.com/flavorjones/loofah/releases)
- [Changelog](https://github.com/flavorjones/loofah/blob/master/CHANGELOG.md)
- [Commits](https://github.com/flavorjones/loofah/compare/v2.2.3...v2.3.1

)

Signed-off-by: dependabot[bot] <support@github.com>

Add bbb_preferred_camera_profile to user data parameters

Closes #8307

Wrapper for #7805 Add support to new parameter names

Attaches the user's role with feedback

Bump to RC-1

Change audio recording codec

Set the default recording codec to opus since we now have opus support in freeswitch.