Make Private Pages show in Parent Page List

// Make Private Pages show in Parent Page List

function bla_handle_privates_adding( $args ) {
        if ( ! current_user_can( 'read_private_pages' ) ) {
                return $args;
        }
        $defaults = array( 'post_status' => 'publish,private' );
        return wp_parse_args( $args, $defaults );
}
add_filter( 'wp_page_menu_args', 'bla_handle_privates_adding' );