### 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
ERR_READ_THREAD_GUARD_V(false);
	return data.auto_translate;
}
void Control::set_tooltip_text(const String &p_hint) {
	ERR_MAIN_THREAD_GUARD;
	data.tooltip = p_hint;
	update_configuration_warnings();
}
String Control::get_tooltip_text() const {
	ERR_READ_THREAD_GUARD_V(String());
	return data.tooltip;
}
String Control::get_tooltip(const Point2 &p_pos) const {
	ERR_READ_THREAD_GUARD_V(String());
	String ret;
	if (GDVIRTUAL_CALL(_get_tooltip, p_pos, ret)) {
		return ret;
	}
	return data.tooltip;
}
Control *Control::make_custom_tooltip(const String &p_text) const {
	ERR_READ_THREAD_GUARD_V(nullptr);
	Object *ret = nullptr;
	GDVIRTUAL_CALL(_make_custom_tooltip, p_text, ret);
	return Object::cast_to<Control>(ret);
}
void Control::_notification(int p_notification) {