### Godot version

Godot 4 beta 10

### System information

Windows 10, mobile mode

### Issue description

You can give a node a blank name by deleting its name and press enter
![image](https://user-images.githubusercontent.com/94725241/210934227-a3b42f81-f152-470e-be6f-645321b9060e.png)


### Steps to reproduce

1. Create any node
2. Double click it, you should now be able to rename it
3. Backspace, than enter
4. You got a node with no name

### Minimal reproduction project

N/A
if (!is_inside_tree()) {
		tree_dirty = false;
		return;
	}
	if (tree->is_editing()) {
		return;
	}
	updating_tree = true;
	tree->clear();
	if (get_scene_node()) {
		_add_nodes(get_scene_node(), nullptr);
		last_hash = hash_djb2_one_64(0);
		_compute_hash(get_scene_node(), last_hash);
	}
	updating_tree = false;
	tree_dirty = false;
	if (!filter.strip_edges().is_empty()) {
		_update_filter(nullptr, p_scroll_to_selected);
	}
}
bool SceneTreeEditor::_update_filter(TreeItem *p_parent, bool p_scroll_to_selected) {