* feat(lobby): lobby chat

lobby chat support
knocking participants list updates
knocking participants conditonal checks to show message button
handle lobby chat message events
lobby messages from or to moderators only

Co-authored-by: Fecri Kaan Ulubey <f.kaan93@gmail.com>

* squash: Drop typos.

Co-authored-by: Kusi Musah Hussein <kusimusah@gmail.com>
Co-authored-by: Fecri Kaan Ulubey <f.kaan93@gmail.com>
Co-authored-by: Дамян Минков <damencho@jitsi.org>

* Make Jitsi WCAG 2.1 compliant

* Fixed password form keypress handling

* Added keypress handler to name form

* Removed unneccessary dom query

* Fixed mouse hove style

* Removed obsolete css rules

* accessibilty background feature

* Merge remote-tracking branch 'upstream/master' into nic/fix/merge-conflicts

* fix error

* add german translation

* Fixed merge issue

* Add id prop back to device selection

* Fixed lockfile

Co-authored-by: AHMAD KADRI <52747422+ahmadkadri@users.noreply.github.com>