### 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
data.theme_owner = memnew(ThemeOwner);
}
Control::~Control() {
	memdelete(data.theme_owner);
	
	for (KeyValue<StringName, Ref<Texture2D>> &E : data.theme_icon_override) {
		E.value->disconnect("changed", callable_mp(this, &Control::_notify_theme_override_changed));
	}
	for (KeyValue<StringName, Ref<StyleBox>> &E : data.theme_style_override) {
		E.value->disconnect("changed", callable_mp(this, &Control::_notify_theme_override_changed));
	}
	for (KeyValue<StringName, Ref<Font>> &E : data.theme_font_override) {
		E.value->disconnect("changed", callable_mp(this, &Control::_notify_theme_override_changed));
	}
	
	data.theme_icon_override.clear();
	data.theme_style_override.clear();
	data.theme_font_override.clear();
	data.theme_font_size_override.clear();
	data.theme_color_override.clear();
	data.theme_constant_override.clear();
}