- added missing Reference property sheet

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@22185 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/TransformedResource.py

@@ -72,6 +72,7 @@ class TransformedResource(Predicate, XMLObject, XMLMatrix, Amount):
                       , PropertySheet.SimpleItem
                       , PropertySheet.CategoryCore
                       , PropertySheet.Amount
+                      , PropertySheet.Reference
                       , PropertySheet.TransformedResource
                       )