Add Debug window

Cherry-pick PR #10953

fixes screenshare toast - issue: #10982

[FIX] playback doesn't start in iPadOS   and   [FIX] `bb-record --check` is broken

Added setNumberOfHTML5Processes to apply-lib.sh

Automate Conflict Check for Pull Requests

adds data-tests to chat all different types of messages

This patch adds a simple GitHub Actions workflow which will
automatically check open pull requests on code changes, adding a comment
and a label if the pull request has conflicts. The label will
automatically be removed again once the conflict has been resolved.

We use this for a while now with opencast and it really helps since
people do not have to manually check if their pull requests need an
update any longer.

An example, of hoe this looks in action can be found at
https://github.com/opencast/opencast/pull/2053#issuecomment-734987582

Merged 2.2.30-31 into 'develop'

Empty After= may confuses systemd

Empty After= may confuses systemd

Prevent voiceUser clean for entire server

Only set panel settings to login defaults on login, not everytime the…

Include instanceId in resources url

Allow mirroring individual webcams

Fix Typo in bbb-record

Fix scroll doesn't scrolling to Bottom

This patch fixes a typo in bbb-record causing problems by checking the
bigbluebtuuon user.