### 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
if (p_idx < 0) {
		p_idx += get_item_count();
	}
	ERR_FAIL_INDEX(p_idx, items.size());
	if (items[p_idx].shortcut_is_disabled == p_disabled) {
		return;
	}
	items.write[p_idx].shortcut_is_disabled = p_disabled;
	control->queue_redraw();
	_menu_changed();
}
void PopupMenu::toggle_item_multistate(int p_idx) {
	ERR_FAIL_INDEX(p_idx, items.size());
	if (0 >= items[p_idx].max_states) {
		return;
	}
	++items.write[p_idx].state;
	if (items.write[p_idx].max_states <= items[p_idx].state) {
		items.write[p_idx].state = 0;
	}
	control->queue_redraw();
	_menu_changed();
}
bool PopupMenu::is_item_checkable(int p_idx) const {