### 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
Item *item = p_item;
	while (item) {
		if (item->type == ITEM_PARAGRAPH) {
			ItemParagraph *p = static_cast<ItemParagraph *>(item);
			return p->alignment;
		}
		item = item->parent;
	}
	return default_alignment;
}
TextServer::Direction RichTextLabel::_find_direction(Item *p_item) {
	Item *item = p_item;
	while (item) {
		if (item->type == ITEM_PARAGRAPH) {
			ItemParagraph *p = static_cast<ItemParagraph *>(item);
			if (p->direction != Control::TEXT_DIRECTION_INHERITED) {
				return (TextServer::Direction)p->direction;
			}
		}
		item = item->parent;
	}
	if (text_direction == Control::TEXT_DIRECTION_INHERITED) {
		return is_layout_rtl() ? TextServer::DIRECTION_RTL : TextServer::DIRECTION_LTR;
	} else {
		return (TextServer::Direction)text_direction;
	}
}
TextServer::StructuredTextParser RichTextLabel::_find_stt(Item *p_item) {