### 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
item->set_metadata(0, p_node->get_path());
	if (connect_to_script_mode) {
		Color accent = get_theme_color(SNAME("accent_color"), SNAME("Editor"));
		Ref<Script> scr = p_node->get_script();
		if (!scr.is_null() && EditorNode::get_singleton()->get_object_custom_type_base(p_node) != scr) {
			
			item->add_button(0, get_theme_icon(SNAME("Script"), SNAME("EditorIcons")), BUTTON_SCRIPT);
		} else {
			
			item->set_custom_color(0, get_theme_color(SNAME("disabled_font_color"), SNAME("Editor")));
			item->set_selectable(0, false);
			if (!scr.is_null()) { 
				item->add_button(0, get_theme_icon(SNAME("Script"), SNAME("EditorIcons")), BUTTON_SCRIPT);
				item->set_button_disabled(0, item->get_button_count(0) - 1, true);
			}
			accent.a *= 0.7;
		}
		if (marked.has(p_node)) {
			String node_name = p_node->get_name();
			if (connecting_signal) {
				node_name += " " + TTR("(Connecting From)");
			}
			item->set_text(0, node_name);
			item->set_custom_color(0, accent);
		}
	} else if (part_of_subscene) {
		if (valid_types.size() == 0) {
			item->set_custom_color(0, get_theme_color(SNAME("warning_color"), SNAME("Editor")));
		}
	} else if (marked.has(p_node)) {