WorkflowTool.py: in getWorkflowChain fix the combination list of dc workflow and new workflow.

product/ERP5/Tool/WorkflowTool.py

@@ -548,9 +548,9 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
     for portal_type, dc_workflow_id_list in chain.iteritems():
       if sorted:
         dc_workflow_id_list = list(dc_workflow_id_list)
-        workflow_id_list.sort()
+        dc_workflow_id_list.sort()
         portal_type_value = self.getPortalObject().portal_types._getOb(portal_type)
-        workflow_id_list = [workflow.getId() for workflow in portal_type_value.getTypeWorkfowList()]
+        workflow_id_list = portal_type_value.getTypeWorkflowList()
         workflow_id_list.extend(dc_workflow_id_list)
       return_dict['chain_%s' % portal_type] = ', '.join(workflow_id_list)