### 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 
Variant ret = Control::get_drag_data(p_point);
	if (ret != Variant()) {
		return ret;
	}
	if (selection.drag_attempt && selection.enabled) {
		String t = get_selected_text();
		Label *l = memnew(Label);
		l->set_text(t);
		set_drag_preview(l);
		return t;
	}
	return Variant();
}
bool RichTextLabel::_is_click_inside_selection() const {
	if (selection.active && selection.enabled && selection.click_frame && selection.from_frame && selection.to_frame) {
		const Line &l_click = selection.click_frame->lines[selection.click_line];
		const Line &l_from = selection.from_frame->lines[selection.from_line];
		const Line &l_to = selection.to_frame->lines[selection.to_line];
		return (l_click.char_offset + selection.click_char >= l_from.char_offset + selection.from_char) && (l_click.char_offset + selection.click_char <= l_to.char_offset + selection.to_char);
	} else {
		return false;
	}
}
bool RichTextLabel::_search_table(ItemTable *p_table, List<Item *>::Element *p_from, const String &p_string, bool p_reverse_search) {