### 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
if (get_index() == 0) {
		return false;
	}
	Dictionary d = p_data;
	if (d.has("type") && String(d["type"]) == "move_audio_bus" && (int)d["index"] != get_index()) {
		hovering_drop = true;
		return true;
	}
	return false;
}
void EditorAudioBus::drop_data(const Point2 &p_point, const Variant &p_data) {
	Dictionary d = p_data;
	emit_signal(SNAME("dropped"), d["index"], get_index());
}
Variant EditorAudioBus::get_drag_data_fw(const Point2 &p_point, Control *p_from) {