* feat: Initial UI part for A/V moderation.

Based on https://github.com/jitsi/jitsi-meet/pull/7779

Co-authored-by: Gabriel Imre <gabriel.lucaci@8x8.com>

* feat: Hides context menu in p2p or only moderators in the meeting.

* feat: Show notifications on enable/disable.

* feat(moderation): Add buttons to participant list & notifications

* fix(moderation): Fix raised hand participant leaving

* feat(moderation): Add support for video moderation

* feat(moderation): Add mute all video to context menu

* feat(moderation): Redo participants list 'More menu'

* fix: Fixes clearing av_moderation table.

* fix: Start moderation context menu

* fix(moderation): Show notification if unapproved participant tries to start CS

Co-authored-by: Gabriel Imre <gabriel.lucaci@8x8.com>
Co-authored-by: Vlad Piersec <vlad.piersec@8x8.com>

Skips adding focus user and skips sending an empty message.
Keep sending participant info for those left the room, to keep existing behaviour.

https://hg.prosody.im/prosody-modules/rev/f6f28ceff53a

In case limited those connection will be whitelisted and unlimited. Updates existing configurations to make sure prosody update will not break it by limiting too much.

Uses 28c16c93d7 version of the module: https://modules.prosody.im/mod_limits_exception.html
Will be available in prosody 0.12.

* Added mod_reservations prosody plugin

* Removed comments re mutex

* Add support for HTTP retries and expose config to tweak retry behaviour

* Removed TODO comment. Feature implemented

* Added multi-tenant support

* renamed config var and default to always including tenant name in name field

* Simplified handling of multi-tenant

* Fixed bug with DELETE not called on reservation expiry

* fix: Fixes destroying room.

Co-authored-by: damencho <damencho@jitsi.org>

Co-authored-by: Saúl Ibarra Corretgé <saghul@jitsi.org>

* feat(prosody-modules): Moves a function for getting room to util.

* feat: Audio/Video moderation.

* squash: Fix docs.

* squash: Changes a field name in the message for adding jid to whitelist.

* squash: Moves to boolean from boolean string.

* squash: Only moderators get whitelist on join.

* squash: Check whether in room and moderator.

* squash: Send to participants only message about approval.

Skips sending the whole list.

* feat: Separates enable/disable by media type.

Adds actor to the messages to inform who enabled it.

* squash: Fixes reporting disable of the feature.

* squash: Fixes init of av_moderation_actors.

* squash: Fixes av_moderation_actor jid to be room jid.

* squash: Fixes comments.

* squash: Fixes warning about shadowing definition.

* squash: Updates ljm.

* fix: Fixes auto-granting from jicofo.

* squash: Further simplify...

* feat: Exposes a hook to mod_external_services data.

The hook can be used to get turn servers and credentials from another module.

* feat: JiConOp2 pushes a message with some info to clients.

* feat: JiConOp adds config for shard name feature.

* squash: Changes message type to service-info.

* squash: Drops the event in external_services.

We were filtering only self presences, no it filters and the presences to the other participants.

We will filter the initial presence where participant is announced as `participant` and shortly after that we send a second presence with the new `moderator` role.

* feat: Uses mod_external_services supporting urn:xmpp:extdisco:2.

The old mod_turncredentials.lua is left to continue working for those using old installs.
New install will start using the new module which will no longer be needed with prosody 0.12.

https://hg.prosody.im/prosody-modules/file/4841cf3fded5/mod_external_services/mod_external_services.lua

* squash: Updates ljm to support urn:xmpp:extdisco:2.

* feat: Add mod_client_proxy and mod_roster_command.

Taken from prosody-modules 4317:456b9f608f with the
mod_roster_command patch applied.

* feat: Use mod_client_proxy to proxy to jicofo.

* chore: Updates mod_smacks.lua version to latest.

https://hg.prosody.im/prosody-modules/file/db75772afb28/mod_smacks/mod_smacks.lua

* Drop unused modules.

* Update docs.

* Move utility functions away from domain mapper.

* Remove some chatty debug log messages.

* Drops not needed patch for mod_websocket.

We sometimes see "error   Top-level error, please report:
                  /usr/lib/prosody/util/serialization.lua:38: Can't serialize table: table has multiple references".
This also slows down restarting prosody.

* feat: Make possible to reload config for filter rayo iq.

* feat: Throttle out call attempts to the max number per minute

* squash: Updates comment about config

When returning the error and showing to user not allowed screen we were not completely halting the prejoin operation when token verification fails on room join and the token is valid in general.