revert single channel click (#7738)

- Revert "collab tweaks (#7706)"
- Revert "2112 (#7640)"
- Revert "single click channel (#7596)"
- Reserve protobufs
- Don't revert migrations

Release Notes:

- N/A

**or**

- N/A

crates/workspace/src/pane.rs

@@ -762,7 +762,6 @@ 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)
     }