refs #24474 [finc] fix double idPrefix

themes/finc/templates/search/bulk-action-buttons.phtml

@@ -30,7 +30,7 @@
       <?php endif; ?>
       <?php if (isset($this->showCartControls) && $this->showCartControls): ?>
         <li>
-          <button id="<?=$this->idPrefix?><?=$this->idPrefix?>updateCart" type="submit" class="toolbar-btn btn-type-add" name="add" value="1"<?php if ($this->formAttr): ?> form="<?=$this->escapeHtmlAttr($this->formAttr) ?>"<?php endif; ?>><?=$this->transEsc('Add to Book Bag')?></button>
+          <button id="<?=$this->idPrefix?>updateCart" type="submit" class="toolbar-btn btn-type-add" name="add" value="1"<?php if ($this->formAttr): ?> form="<?=$this->escapeHtmlAttr($this->formAttr) ?>"<?php endif; ?>><?=$this->transEsc('Add to Book Bag')?></button>
         </li>
       <?php endif; ?>
     </ul>