[FrameworkBundle] Add widgetAtt to formTable/form_row

Author: mpiot

Resources/views/FormTable/form_row.html.php

@@ -1,10 +1,11 @@
 <tr>
+    <?php $widgetAtt = empty($help) ? array() : array('attr' => array('aria-describedby' => $id.'_help')); ?>
     <td>
         <?php echo $view['form']->label($form); ?>
     </td>
     <td>
         <?php echo $view['form']->errors($form); ?>
-        <?php echo $view['form']->widget($form); ?>
+        <?php echo $view['form']->widget($form, $widgetAtt); ?>
         <?php echo $view['form']->help($form); ?>
     </td>
 </tr>