erp5_core: deploy getParentWorkflowValue in Base_getPossibleWorkflowActionItemList.

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Base_getPossibleWorkflowActionItemList.xml

@@ -56,7 +56,7 @@ item_list = [(\'\', \'\')]\n
 for action in context.portal_actions.listFilteredActionsFor(brain).get(\'workflow\', []):\n
   transition = action.get(\'transition\', None)\n
   if transition is not None:\n
-    workflow_id = action[\'transition\'].aq_parent.aq_parent.getId()\n
+    workflow_id = action[\'transition\'].getParentWorkflowValue().getId()\n
     if workflow_id == brain.workflow_id:\n
       dialog_id = action[\'url\'].split(\'?\', 1)[0].split(\'/\')[-1]\n
       dialog_object = getattr(portal, dialog_id, None)\n