Fix a bunch of other low-hanging style lints (#36498)

- **Fix a bunch of low hanging style lints like unnecessary-return**
- **Fix single worktree violation**
- **And the rest**

Release Notes:

- N/A

crates/vim/src/digraph.rs

@@ -103,7 +103,6 @@ impl Vim {
                 window.dispatch_keystroke(keystroke, cx);
             });
         }
-        return;
     }
 
     pub fn handle_literal_input(