### 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 
underline_hint = p_underline;
	queue_redraw();
}
bool RichTextLabel::is_hint_underlined() const {
	return underline_hint;
}
void RichTextLabel::set_offset(int p_pixel) {
	vscroll->set_value(p_pixel);
}
void RichTextLabel::set_scroll_active(bool p_active) {
	if (scroll_active == p_active) {
		return;
	}
	scroll_active = p_active;
	vscroll->set_drag_node_enabled(p_active);
	queue_redraw();
}
bool RichTextLabel::is_scroll_active() const {
	return scroll_active;
}
void RichTextLabel::set_scroll_follow(bool p_follow) {
	scroll_follow = p_follow;
	if (!vscroll->is_visible_in_tree() || vscroll->get_value() >= (vscroll->get_max() - vscroll->get_page())) {
		scroll_following = true;
	}
}
bool RichTextLabel::is_scroll_following() const {
	return scroll_follow;
}
void RichTextLabel::parse_bbcode(const String &p_bbcode) {