### 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
switch (l.text_buf->get_alignment()) {
			case HORIZONTAL_ALIGNMENT_FILL:
			case HORIZONTAL_ALIGNMENT_LEFT: {
				if (rtl) {
					off.x += width - length;
				}
			} break;
			case HORIZONTAL_ALIGNMENT_CENTER: {
				off.x += Math::floor((width - length) / 2.0);
			} break;
			case HORIZONTAL_ALIGNMENT_RIGHT: {
				if (!rtl) {
					off.x += width - length;
				}
			} break;
		}
		if (line <= dc_lines) {
			if (rtl) {
				off.x -= h_off;
			} else {
				off.x += h_off;
			}
		}
		RID rid = l.text_buf->get_line_rid(line);
		
		off.y += TS->shaped_text_get_ascent(rid);
		
		Array objects = TS->shaped_text_get_objects(rid);
		for (int i = 0; i < objects.size(); i++) {
			Item *it = reinterpret_cast<Item *>((uint64_t)objects[i]);