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.

* ref: Rename jitsi_bosh_query_room to jitsi_web_query_room.

This is no longer bosh only and is available for both bosh and websocket sessions.

* feat: Adds feature to disco-info indicating that display name is required.

* feat: Adds option to disable checking whether display name is required.

* ref: Clears auth_token when verification fails.

* squash: Fixing comments.

* squash: Updates to latest lib-jitsi-meet.

* feat: Adds a new option to disable lobby for guests.

* squash: Rename config option.

* squash: Comment update.

Allows '*' in jwt to allow connecting to any room.

Room names used inside prosody are all lower case, when verify with room name from token make sure we use the room name in lower case.