### Godot version

4.1 db5113d

### System information

Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1060 (NVIDIA; 30.0.15.1403) - Intel(R) Core(TM) i7-7700HQ CPU @ 2.80GHz (8 Threads)

### Issue description

![image](https://github.com/godotengine/godot/assets/2223172/ee391a0d-44b7-4a35-bfa5-40d47af75f65)
Notice the empty space to the right. I actually have a worse case in my project, but I couldn't reproduce it outside:
![](https://chat.godotengine.org/file-upload/X3RMM5A9gN7RZEizo/Clipboard%20-%202%20czerwca%202023%2022:54)
Regression from #77651
CC @Rindbee 

### Steps to reproduce

1. Add a new script
2. Name it `;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;.gd`
3. Hover its name in the Script Editor

### Minimal reproduction project

N/A
prev_child = Object::cast_to<Control>(from->get_parent());
			} else {
				prev_child = _prev_control(prev_child);
			}
		}
		if (prev_child == from || prev_child == this) { 
			return (get_focus_mode() == FOCUS_ALL) ? prev_child : nullptr;
		}
		if (prev_child->get_focus_mode() == FOCUS_ALL) {
			return prev_child;
		}
		from = prev_child;
	}
	return nullptr;
}
void Control::set_focus_neighbor(Side p_side, const NodePath &p_neighbor) {
	ERR_MAIN_THREAD_GUARD;
	ERR_FAIL_INDEX((int)p_side, 4);
	data.focus_neighbor[p_side] = p_neighbor;
}
NodePath Control::get_focus_neighbor(Side p_side) const {
	ERR_READ_THREAD_GUARD_V(NodePath());
	ERR_FAIL_INDEX_V((int)p_side, 4, NodePath());
	return data.focus_neighbor[p_side];
}
void Control::set_focus_next(const NodePath &p_next) {
	ERR_MAIN_THREAD_GUARD;
	data.focus_next = p_next;
}
NodePath Control::get_focus_next() const {