fallback to parent _aq_dynamic, so that other accessors work

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34538 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/Tool/SelectionTool.py

@@ -1363,9 +1363,7 @@ class SelectionTool( BaseTool, UniqueObject, SimpleItem ):
             setattr(klass, security_property_id, None)
 
             return getattr(self, name)
-        else:
-          return aq_base_name
-      return aq_base_name
+      return SelectionTool.inheritedAttribute('_aq_dynamic')(self, name)
 
     def _getUserId(self):
       return self.portal_membership.getAuthenticatedMember().getUserName()