[erp5_core] Mass Workflow Transition saves some time and memory by early return and iterators

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/Folder_filterDocumentByWorkflow.py

@@ -3,14 +3,14 @@
 portal_catalog = context.getPortalObject().portal_catalog
 action_tool = context.getPortalObject().portal_actions
 
-document_list = [result.getObject() for result in portal_catalog.searchResults(sort_on=sort_on, limit=limit, **kwargs)]
+result_list = portal_catalog.searchResults(sort_on=sort_on, limit=limit, **kwargs)
 
 if not workflow_action:
   # if we have no filter (=workflow action) we return back all documents
-  return document_list
+  return result_list
 
 filtered_list = []
-for document in document_list:
+for document in (result.getObject() for result in result_list):
   for action in action_tool.listFilteredActionsFor(document).get('workflow', []):
     if action['id'] == workflow_action:
       filtered_list.append(document)