* feat(visitors): Updates mobile to handle redirected conf error.

* squash: Center the buttons when iAmVisitor.

* squash: Enables chat in visitor mode.

* feat: Prints the used lib-jitsi-meet.

* feat: Shows a notification when joining as a visitor.

* fix(notifications): display and fix styles for notifications in tile view

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Co-authored-by: Calin-Teodor <calin.chitu@8x8.com>

* fix(visitors): Updates docs and instructions.

* fix(visitors): Show counter only for main participants.

* fix(visitors): Skip showing the label even for 0 visitors.

It was showing 0 when visitor count down back to 0.

* feat(visitors): Small optimization for jid.split calls.

* fix: Fix skipping properties changed received before conference joined.

* fix(visitors): Propagates newly joined participants to visitor nodes.

* feat(visitors): When iAmVisitor is set, subtract visitor from participants count.

* feat(visitors): Visitors request to participate impl.

Adds option for auto promotion setting which is the only one available at the moment.

* squash: Fix comments.

* squash: Fix default case when vnode is missing.