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/workspace/src/pane.rs

@@ -762,6 +762,7 @@ impl Pane {
         save_intent: SaveIntent,
         cx: &mut ViewContext<Self>,
     ) -> Task<Result<()>> {
+        println!("{}", std::backtrace::Backtrace::force_capture());
         self.close_items(cx, save_intent, move |view_id| view_id == item_id_to_close)
     }