Modify Genesis Post Author shortcode to display outside the loop

functions.php

add_filter ( 'genesis_post_author_posts_link_shortcode', 'filter_post_author_posts_link_shortcode', 10, 2);

function filter_post_author_posts_link_shortcode( $output, $atts ) {
         global $post;
          $id = ($post && property_exists($post,'post_author') && isset($post->post_author)) ? $post->post_author : 0;
    $author = get_the_author_meta( 'display_name', $id);
    $url    = get_author_posts_url( $id );

    $output  = sprintf( '<span %s>', genesis_attr( 'entry-author' ) );
    $output .= $atts['before'];
    $output .= sprintf( '<a href="%s" %s>', $url, genesis_attr( 'entry-author-link' ) );
    $output .= sprintf( '<span %s>', genesis_attr( 'entry-author-name' ) );
    $output .= esc_html( $author );
    $output .= '</span></a>' . $atts['after'] . '</span>';

    return $output;

}