### 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 (!can_drop_data_fw(p_point, p_data, p_from)) {
		return;
	}
	TreeItem *item = tree->get_item_at_position(p_point);
	if (!item) {
		return;
	}
	int section = tree->get_drop_section_at_position(p_point);
	if (section < -1) {
		return;
	}