### 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 (EditorNode::get_singleton()->is_exiting()) {
		return; //speed up exit
	}
	if (p_node->is_connected("script_changed", callable_mp(this, &SceneTreeEditor::_node_script_changed))) {
		p_node->disconnect("script_changed", callable_mp(this, &SceneTreeEditor::_node_script_changed));
	}
	if (p_node->is_class("Node3D") || p_node->is_class("CanvasItem") || p_node->is_class("CanvasLayer") || p_node->is_class("Window")) {
		if (p_node->is_connected("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed))) {
			p_node->disconnect("visibility_changed", callable_mp(this, &SceneTreeEditor::_node_visibility_changed));
		}
	}
	if (p_node == selected) {
		selected = nullptr;
		emit_signal(SNAME("node_selected"));
	}
}
void SceneTreeEditor::_node_renamed(Node *p_node) {
	if (p_node != get_scene_node() && !get_scene_node()->is_ancestor_of(p_node)) {
		return;
	}
	emit_signal(SNAME("node_renamed"));
	if (!tree_dirty) {
		MessageQueue::get_singleton()->push_call(this, "_update_tree");
		tree_dirty = true;
	}
}
void SceneTreeEditor::_update_tree(bool p_scroll_to_selected) {