Add only if not already added to optimized_role_set to avoid polluting indexation table.

product/ERP5Catalog/CatalogTool.py

@@ -158,6 +158,8 @@ class IndexableObjectWrapper(object):
                   group_allowed_set = allowed_by_local_roles_group_id[group]
                 except KeyError:
                    allowed_by_local_roles_group_id[group] = group_allowed_set = set()
+                if (user, role) not in optimized_role_set:
+                  # add only if not already added to optimized_role_set to avoid polluting indexation table
                   group_allowed_set.update((prefix, '%s:%s' % (prefix, role)))
  
         # sort `allowed` principals