### 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
if (c) {
			if (c->data.RI) {
				break;
			}
		}
		base = base->get_parent();
	}
	if (!base) {
		return nullptr;
	}
	_window_find_focus_neighbor(vdir, base, points, maxd, dist, &result);
	return result;
}
void Control::_window_find_focus_neighbor(const Vector2 &p_dir, Node *p_at, const Point2 *p_points, real_t p_min, real_t &r_closest_dist, Control **r_closest) {
	if (Object::cast_to<Viewport>(p_at)) {
		return; 
	}
	Control *c = Object::cast_to<Control>(p_at);
	if (c && c != this && c->get_focus_mode() == FOCUS_ALL && c->is_visible_in_tree()) {
		Point2 points[4];
		Transform2D xform = c->get_global_transform();
		points[0] = xform.xform(Point2());
		points[1] = xform.xform(Point2(c->get_size().x, 0));
		points[2] = xform.xform(c->get_size());
		points[3] = xform.xform(Point2(0, c->get_size().y));
		real_t min = 1e7;
		for (int i = 0; i < 4; i++) {
			real_t d = p_dir.dot(points[i]);
			if (d < min) {
				min = d;