Use Order ProperySheet instead of PackingList ProperySheet since PackingList...

Use Order ProperySheet instead of PackingList ProperySheet  since PackingList ProperySheet  is in reality not defined.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@41647 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/PackingList.py

@@ -77,7 +77,7 @@ class PackingList(Delivery):
                       , PropertySheet.Comment
                       , PropertySheet.Movement
                       , PropertySheet.TradeCondition
-                      , PropertySheet.PackingList
+                      , PropertySheet.Order
                       )
 
     security.declareProtected(Permissions.AccessContentsInformation,