Add language server control tool into the status bar (#32490)

Release Notes:

- Added the language server control tool into the status bar

---------

Co-authored-by: Nate Butler <iamnbutler@gmail.com>

crates/git_ui/src/branch_picker.rs

@@ -413,10 +413,6 @@ impl PickerDelegate for BranchListDelegate {
         cx.emit(DismissEvent);
     }
 
-    fn render_header(&self, _: &mut Window, _cx: &mut Context<Picker<Self>>) -> Option<AnyElement> {
-        None
-    }
-
     fn render_match(
         &self,
         ix: usize,