WorkflowTool.py: add a separated reassignment function instead of putting this...

WorkflowTool.py: add a separated reassignment function instead of putting this function in conversion function.

product/ERP5/Tool/WorkflowTool.py

@@ -562,7 +562,9 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
         self._finalizeWorkflowConversion(dc_workflow)
         # override temporary id:
         workflow.setId(workflow.default_reference)
-        workflow_id = workflow.getId()
+      return workflow
+
+  def reassignWorkflow(self, workflow_id):
     # type-workflow reassignment
     type_workflow_dict = self.getChainsByType()
     type_tool = self.getPortalObject().portal_types
@@ -574,7 +576,6 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
         # 2. assign ERP5 Workflow to portal type:
         if workflow_id not in ptype.getTypeWorkflowList():
           ptype.addTypeWorkflowList(workflow_id)
-      return workflow
 
   def getChainDict(self):
       chain_dict = {}