### Godot version

4.0.2

### System information

Windows 11

### Issue description

Changing node type from PopupMenu to ItemList causes Godot to crash

### Steps to reproduce

Change node type from PopupMenu to ItemList

### Minimal reproduction project

n/a
bool checked = arr[i + 3];
			bool disabled = arr[i + 4];
			int id = arr[i + 5];
			int accel = arr[i + 6];
			Variant meta = arr[i + 7];
			String subm = arr[i + 8];
			bool sep = arr[i + 9];
			int idx = get_item_count();
			add_item(text, id);
			set_item_icon(idx, icon);
			if (checkable) {
				if (radio_checkable) {
					set_item_as_radio_checkable(idx, true);
				} else {
					set_item_as_checkable(idx, true);
				}
			}
			set_item_checked(idx, checked);
			set_item_disabled(idx, disabled);
			set_item_id(idx, id);
			set_item_metadata(idx, meta);
			set_item_as_separator(idx, sep);
			set_item_accelerator(idx, (Key)accel);
			set_item_submenu(idx, subm);
		}
	}
#endif
	return false;
}
bool PopupMenu::_get(const StringName &p_name, Variant &r_ret) const {