### Godot version

4.0 fb10f45

### System information

Windows 10 x64

### Issue description

Behold, empty TileSet editor, with no TileMap node nor bottom button visible:
![image](https://github.com/godotengine/godot/assets/2223172/0f052770-4946-40eb-a790-a995dbe2599c)
Regression from #72277 (most likely, I didn't test)

### Steps to reproduce

1. Add some Node to your scene
2. Add a TileMap as a child
3. Select TileMap
4. Fold its parent in the scene tree
5. Restart the editor
6. The TileMap selection is restored and so is the folded node, resulting in a weird paradox

### Minimal reproduction project

N/A
switch (tool_menu->get_item_id(p_idx)) {
		case TOOLS_ORPHAN_RESOURCES: {
			orphan_resources->show();
		} break;
		case TOOLS_CUSTOM: {
			if (tool_menu->get_item_submenu(p_idx) == "") {
				Callable callback = tool_menu->get_item_metadata(p_idx);
				Callable::CallError ce;
				Variant result;
				callback.callp(nullptr, 0, result, ce);
				if (ce.error != Callable::CallError::CALL_OK) {
					String err = Variant::get_callable_error_text(callback, nullptr, 0, ce);
					ERR_PRINT("Error calling function from tool menu: " + err);
				}
			} 
		} break;
	}
}
void EditorNode::_export_as_menu_option(int p_idx) {