### 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
ERR_FAIL_INDEX_V(p_idx, items.size(), Key::NONE);
	return items[p_idx].accel;
}
Variant PopupMenu::get_item_metadata(int p_idx) const {
	ERR_FAIL_INDEX_V(p_idx, items.size(), Variant());
	return items[p_idx].metadata;
}
bool PopupMenu::is_item_disabled(int p_idx) const {
	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
	return items[p_idx].disabled;
}
bool PopupMenu::is_item_checked(int p_idx) const {
	ERR_FAIL_INDEX_V(p_idx, items.size(), false);
	return items[p_idx].checked;
}
int PopupMenu::get_item_id(int p_idx) const {
	ERR_FAIL_INDEX_V(p_idx, items.size(), 0);
	return items[p_idx].id;
}
int PopupMenu::get_item_index(int p_id) const {
	for (int i = 0; i < items.size(); i++) {
		if (items[i].id == p_id) {
			return i;
		}
	}
	return -1;
}
String PopupMenu::get_item_submenu(int p_idx) const {