single click channel (#7596)

- Open channel notes and chat on channel click
- WIP
- Fix compile error
- Don't join live kit until requested
- Track in_call state separately from in_room



Release Notes:

- Improved channels: you can now be in a channel without joining the
audio call automatically

**or**

- N/A

---------

Co-authored-by: Nathan Sobo <nathan@zed.dev>

crates/collab/src/tests/integration_tests.rs

@@ -1881,7 +1881,7 @@ fn active_call_events(cx: &mut TestAppContext) -> Rc<RefCell<Vec<room::Event>>>
 }
 
 #[gpui::test]
-async fn test_mute_deafen(
+async fn test_mute(
     executor: BackgroundExecutor,
     cx_a: &mut TestAppContext,
     cx_b: &mut TestAppContext,
@@ -1920,7 +1920,7 @@ async fn test_mute_deafen(
     room_a.read_with(cx_a, |room, _| assert!(!room.is_muted()));
     room_b.read_with(cx_b, |room, _| assert!(!room.is_muted()));
 
-    // Users A and B are both muted.
+    // Users A and B are both unmuted.
     assert_eq!(
         participant_audio_state(&room_a, cx_a),
         &[ParticipantAudioState {
@@ -1962,30 +1962,6 @@ async fn test_mute_deafen(
         }]
     );
 
-    // User A deafens
-    room_a.update(cx_a, |room, cx| room.toggle_deafen(cx));
-    executor.run_until_parked();
-
-    // User A does not hear user B.
-    room_a.read_with(cx_a, |room, _| assert!(room.is_muted()));
-    room_b.read_with(cx_b, |room, _| assert!(!room.is_muted()));
-    assert_eq!(
-        participant_audio_state(&room_a, cx_a),
-        &[ParticipantAudioState {
-            user_id: client_b.user_id().unwrap(),
-            is_muted: false,
-            audio_tracks_playing: vec![false],
-        }]
-    );
-    assert_eq!(
-        participant_audio_state(&room_b, cx_b),
-        &[ParticipantAudioState {
-            user_id: client_a.user_id().unwrap(),
-            is_muted: true,
-            audio_tracks_playing: vec![true],
-        }]
-    );
-
     // User B calls user C, C joins.
     active_call_b
         .update(cx_b, |call, cx| {
@@ -2000,22 +1976,6 @@ async fn test_mute_deafen(
         .unwrap();
     executor.run_until_parked();
 
-    // User A does not hear users B or C.
-    assert_eq!(
-        participant_audio_state(&room_a, cx_a),
-        &[
-            ParticipantAudioState {
-                user_id: client_b.user_id().unwrap(),
-                is_muted: false,
-                audio_tracks_playing: vec![false],
-            },
-            ParticipantAudioState {
-                user_id: client_c.user_id().unwrap(),
-                is_muted: false,
-                audio_tracks_playing: vec![false],
-            }
-        ]
-    );
     assert_eq!(
         participant_audio_state(&room_b, cx_b),
         &[