### Godot version

4.1.rc.custom_build. c83f912bc

### System information

Ubuntu 22.04 CI

### Issue description

When executing
```
extends Node
func _process(delta):

	var temp_variable35241 = RichTextLabel.new()
	add_child(temp_variable35241)
	temp_variable35241.set_fit_content(true)
	temp_variable35241.parse_bbcode("3188932498")
	temp_variable35241.queue_free()
```
this code freeze project in CI for at least 60 seconds

### Steps to reproduce

Above

### Minimal reproduction project

N/A
for (String &subtag : subtags) {
		subtag = subtag.unquote();
	}
}
bool RichTextLabel::_find_meta(Item *p_item, Variant *r_meta, ItemMeta **r_item) {
	Item *item = p_item;
	while (item) {
		if (item->type == ITEM_META) {
			ItemMeta *meta = static_cast<ItemMeta *>(item);
			if (r_meta) {
				*r_meta = meta->meta;
			}
			if (r_item) {
				*r_item = meta;
			}
			return true;
		}
		item = item->parent;
	}
	return false;
}
bool RichTextLabel::_find_hint(Item *p_item, String *r_description) {