Workflow.py: rename getRoleList to getManagedRoleList to avoid overriding an exist property.

product/ERP5Workflow/Document/Workflow.py

@@ -257,7 +257,7 @@ class Workflow(IdAsReferenceMixin("", "prefix"), XMLObject):
       del self.erp5_permission_roles[permission_roles]
     return changed
 
-  def getRoleList(self):
+  def getManagedRoleList(self):
     return sorted(self.getPortalObject().getDefaultModule('acl_users').valid_roles())
 
   security.declarePrivate('doActionFor')