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/command.rs

@@ -566,7 +566,6 @@ pub fn register(editor: &mut Editor, cx: &mut Context<Vim>) {
             workspace.update(cx, |workspace, cx| {
                 e.notify_err(workspace, cx);
             });
-            return;
         }
     });
 
@@ -1444,7 +1443,7 @@ pub fn command_interceptor(mut input: &str, cx: &App) -> Vec<CommandInterceptRes
             }];
         }
     }
-    return Vec::default();
+    Vec::default()
 }
 
 fn generate_positions(string: &str, query: &str) -> Vec<usize> {