### 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 
return tab_size;
}
void RichTextLabel::set_fit_content(bool p_enabled) {
	if (p_enabled == fit_content) {
		return;
	}
	fit_content = p_enabled;
	update_minimum_size();
}
bool RichTextLabel::is_fit_content_enabled() const {
	return fit_content;
}
void RichTextLabel::set_meta_underline(bool p_underline) {
	if (underline_meta == p_underline) {
		return;
	}
	underline_meta = p_underline;
	queue_redraw();
}
bool RichTextLabel::is_meta_underlined() const {
	return underline_meta;
}
void RichTextLabel::set_hint_underline(bool p_underline) {