message: fix: tree node passed in `component::OverlayInstance::on_event`
diff: @@ -470,7 +470,7 @@ where
  .as_ref()
  .unwrap()
  .as_widget()
  - .overlay(tree, layout, renderer)
  + .overlay(&mut tree.children[0], layout, renderer)
  },
  }
  .build(),
  