### 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
return selected;
}
void SceneTreeEditor::set_marked(const HashSet<Node *> &p_marked, bool p_selectable, bool p_children_selectable) {
	if (tree_dirty) {
		_update_tree();
	}
	marked = p_marked;
	marked_selectable = p_selectable;
	marked_children_selectable = p_children_selectable;
	_update_tree();
}
void SceneTreeEditor::set_marked(Node *p_marked, bool p_selectable, bool p_children_selectable) {