### Godot version

v4.0.beta10.official [d0398f62f]

### System information

Windows 11

### Issue description

When hovering over the `MenuBar` items - the hover state activates only once (on first hover).

As demonstrated in this video - Debug menu toggles to hover visual style only once:


https://user-images.githubusercontent.com/433527/209774611-a3d6d80b-deb2-466b-b39d-bb480a5ade17.mp4

### Steps to reproduce

See video, try the same in Godot editor.

### Minimal reproduction project

N/A
Control::remove_child_notify(p_child);
	PopupMenu *pm = Object::cast_to<PopupMenu>(p_child);
	if (!pm) {
		return;
	}
	int idx = get_menu_idx_from_control(pm);
	menu_cache.remove_at(idx);
	p_child->remove_meta("_menu_name");
	p_child->remove_meta("_menu_tooltip");
	p_child->disconnect("renamed", callable_mp(this, &MenuBar::_refresh_menu_names));
	p_child->disconnect("menu_changed", callable_mp(this, &MenuBar::_update_menu));
	p_child->disconnect("about_to_popup", callable_mp(this, &MenuBar::_popup_visibility_changed));
	p_child->disconnect("popup_hide", callable_mp(this, &MenuBar::_popup_visibility_changed));
	_update_menu();
}
void MenuBar::_bind_methods() {