* [NEW] Broadcast Channels

* code guidelines

* fix createroom type p extradata

* fix private room can change join_code

* test to show member list

* Code cleanup

* Update message.js

[FIX] Button to delete rooms by the owners wasn't appearing

* [FIX] Missing Translation Key on Reactions

* Clearify the translations of the no reacting

* Really really clearify the disallow reacting language

[FIX] Do not send joinCode field to clients

Closes #7435

Just admins can change a Default Channel to Private (the channel will be a non default channel) (#6426)

* change ChatRoom to AdminChatRoom on channelSettingsDefault

* just admin can change the type of a default channel, and even been an admin you must confirm this

* Fix scoped permission verification when no scope passed

* Refactor room settings

* Add room setting to require code to join