ERP5Workflow: put security back on listActions method

product/ERP5Workflow/Tool/WorkflowTool.py

@@ -783,8 +783,6 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
   def delTypeCBT(self, pt, wf_id):
     self._chains_by_type[pt] = tuple(wf for wf in self._chains_by_type[pt] if wf!=wf_id)
 
-  # XXX(WORKFLOW) check what was the security before
-  security.declarePublic('listActions')
   def listActions(self, info=None, object=None, src__=False):
     """
       Returns a list of actions to be displayed to the user.