Some errors often occur when placing objects in the "UI Editor" screen
When placing objects, sometimes the content is displayed incorrectly, and sometimes the objects are displayed repeatedly and cannot be selected. At this time, the list of widgets on the left side of the interface will also be messed up, which is not in line with the actual design of the interface,
However, after switching the interface, the widget list and the right side display will be back to normal again.
In addition, sometimes, when adding the event response of switching screen for an object, there will be an error, and the screen name selected after load_screen in the event form will be changed to random letters and numbers.
