* fix: elements would lose some state like scroll position because of "virtual parent" optimization * refactor: the bugfix code bug: elements would lose some state like scroll position because of "virtual parent" optimization * fix: an error occured at applyMutation(remove nodes part) error message: Uncaught (in promise) DOMException: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node