### 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
Vector2 off;
	bool line_clicked = false;
	float text_rect_begin = 0.0;
	int char_pos = -1;
	Line &l = p_frame->lines[p_line];
	MutexLock lock(l.text_buf->get_mutex());
	bool rtl = (l.text_buf->get_direction() == TextServer::DIRECTION_RTL);
	bool lrtl = is_layout_rtl();
	
	bool table_hit = false;
	Vector2i table_range;
	float table_offy = 0.f;
	ItemFrame *table_click_frame = nullptr;
	int table_click_line = -1;
	Item *table_click_item = nullptr;
	int table_click_char = -1;
	for (int line = 0; line < l.text_buf->get_line_count(); line++) {
		RID rid = l.text_buf->get_line_rid(line);
		float width = l.text_buf->get_width();
		float length = TS->shaped_text_get_width(rid);
		if (rtl) {
			off.x = p_width - l.offset.x - width;
			if (!lrtl && p_frame == main) { 
				off.x -= scroll_w;
			}
		} else {
			off.x = l.offset.x;
			if (lrtl && p_frame == main) { 
				off.x += scroll_w;