### 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
current_line = p_search_previous ? ending_line - 1 : ending_line + 1;
	} else if (p_search_previous) {
		current_line = ending_line;
		ending_line = 0;
	}
	
	while (current_line != ending_line) {
		
		if (current_line < 0) {
			current_line = to_line - 1;
		} else if (current_line >= to_line) {
			current_line = 0;
		}
		if (_search_line(main, current_line, p_string, char_idx, p_search_previous)) {
			scroll_to_selection();
			queue_redraw();
			return true;
		}
		if (current_line != ending_line) {
			p_search_previous ? current_line-- : current_line++;
		}
	}
	if (p_from_selection && selection.active) {
		
		return _search_line(main, current_line, p_string, char_idx, p_search_previous);
	} else {
		return false;
	}
}
String RichTextLabel::_get_line_text(ItemFrame *p_frame, int p_line, Selection p_selection) const {