### 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
next_child = const_cast<Control *>(this);
				while (next_child && !next_child->is_set_as_top_level()) {
					next_child = cast_to<Control>(next_child->get_parent());
				}
				if (!next_child) {
					next_child = const_cast<Control *>(this);
					while (next_child) {
						if (next_child->data.RI) {
							break;
						}
						next_child = next_child->get_parent_control();
					}
				}
			}
		}
		if (next_child == from || next_child == this) { 
			return (get_focus_mode() == FOCUS_ALL) ? next_child : nullptr;
		}
		if (next_child) {
			if (next_child->get_focus_mode() == FOCUS_ALL) {
				return next_child;
			}
			from = next_child;
		} else {
			break;
		}
	}
	return nullptr;
}
static Control *_prev_control(Control *p_from) {