### Godot version

master ([06ccbfe](https://github.com/godotengine/godot/commit/06ccbfe8eec6e840db3df2360dc2804386f940b8))

### System information

PopOS 22.04

### Issue description

Sometimes the doc page is broken when the engine is closed and then restarted.
Closing the doc and opening it again fixes it.

![2023-05-27_22-15](https://github.com/godotengine/godot/assets/3624853/ed202a55-03e8-420a-bc1c-ccfc7f7cd02a)


### Steps to reproduce

- Open a documentation page for any node
- Restart Godot

### Minimal reproduction project

NA

EDIT : Added the commit hash @Calinou 
font_size = font_size_it->font_size;
					}
					if (rtl) {
						stop += tab_size * font->get_char_size(' ', font_size).width;
						if (stop > p_click.x) {
							break;
						}
					} else {
						stop -= tab_size * font->get_char_size(' ', font_size).width;
						if (stop < p_click.x) {
							break;
						}
					}
					*r_click_item = _find_indentable((*r_click_item)->parent);
				}
			}
		}
		if (r_click_frame != nullptr) {
			*r_click_frame = p_frame;
		}
		if (r_click_line != nullptr) {
			*r_click_line = p_line;
		}
		if (r_click_char != nullptr) {
			*r_click_char = char_pos;
		}
	}
	return off.y;
}
void RichTextLabel::_scroll_changed(double) {