Add file-size and dimensions to Media Library – with sortable file-size column

looks like this:
( svg images are shown as 0 x 0 dimension )

/*** show size and dimensions of files in the media library ****/
function add_filesize_metadata_to_images($meta_id, $post_id, $meta_key, $meta_value) {
  if('_wp_attachment_metadata' == $meta_key) {
    $file = get_attached_file($post_id);
    update_post_meta($post_id, 'filesize', filesize($file));
  }
}
add_action('added_post_meta', 'add_filesize_metadata_to_images', 10, 4);

// Add the column
function add_columns($posts_columns) {
  $posts_columns['filesize'] = __('File Size');
  $posts_columns["dimensions"] = "Dimensions (w, h) [px]";
  return $posts_columns;
}
add_filter('manage_media_columns', 'add_columns');

// Populate the column
function add_columns_value($column_name, $post_id) {
	if('filesize' == $column_name) {
		if(!get_post_meta($post_id, 'filesize', true)) {
			$file      = get_attached_file($post_id);
			$file_size = filesize($file);
			update_post_meta($post_id, 'filesize', $file_size);
		} else {
			$file_size = get_post_meta($post_id, 'filesize', true);
		}
		echo size_format($file_size, 2);
	}
	if('dimensions' == $column_name){
		$meta = wp_get_attachment_metadata($post_id);
		if(isset($meta['width'])){
			echo $meta['width'].' x '.$meta['height'];
		}
	} 
	return false; 	
}
add_action('manage_media_custom_column', 'add_columns_value', 10, 2);

// Make file-size column sortable
function make_file_size_column_sortable($columns) {
  $columns['filesize'] = 'filesize';
  return $columns;
}
add_filter('manage_upload_sortable_columns', 'make_file_size_column_sortable');

// File-Size Column sorting logic (query modification)
function file_size_sorting_logic($query) {
  global $pagenow;
  if(is_admin() && 'upload.php' == $pagenow && $query->is_main_query() && !empty($_REQUEST['orderby']) && 'filesize' == $_REQUEST['orderby']) {
    $query->set('order', 'ASC');
    $query->set('orderby', 'meta_value_num');
    $query->set('meta_key', 'filesize');
    if('desc' == $_REQUEST['order']) {
      $query->set('order', 'DSC');
    }
  }
}
add_action('pre_get_posts', 'file_size_sorting_logic');