fix the condition to check portal type or not, because some module portal...

fix the condition to check portal type or not, because some module portal types has 'ERP5 Folder' meta type, thus we can loose allowed_content_types etc. by updating PortalTypeTemplateItem.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39601 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/BusinessTemplate.py

@@ -1033,7 +1033,7 @@ class ObjectTemplateItem(BaseTemplateItem):
             subobjects_dict = self._backupObject(action, trashbin,
                                                  container_path, object_id)
             # in case of portal types, we want to keep some properties
-            if getattr(old_obj, 'meta_type', None) == 'ERP5 Base Type':
+            if interfaces.ITypeProvider.providedBy(container):
               for attr in ('allowed_content_types',
                            'hidden_content_type_list',
                            'property_sheet_list',