fixed html when no items has been found (fixes responsive mode)

assets/js/src/listing/listing.jsx

@@ -59,8 +59,9 @@ define(
         if(this.props.items.length === 0) {
           return (
             <tbody>
+              <tr className="no-items">
                 <td
-                colSpan={this.props.columns.length + 1}
+                  colSpan={ this.props.columns.length + 1 }
                   className="colspanchange">
                   {
                     (this.props.loading === true)
@@ -68,6 +69,7 @@ define(
                     : MailPoetI18n.noRecordFound
                   }
                 </td>
+              </tr>
             </tbody>
           );
         } else {