Switching to using session specific TURN credentials instead of shared
credentials per Room. Also eliminates need to load Room from Redis
during TURN authentication
When the instance handling the signal request did not respond to the
initial connection, we will fail the connection attempt instead of
having it hang forever.
* feat: unpublish tracks after publish permissions are revoked.
Uses protocol 7 to indicate client support, otherwise it attempts to
mute the tracks.
Also sends back permissions objects of all participants, and cleaned up
our handling of various permissions attributes.
* fix static check
* WIP commit
* update protocol
* Fixing a test and catching one place where casting was missed
* Fix one more spot which need conversion from livekit.RoomName -> string
* do not covert list
