Use party name of the address as attention name

issue6574
review34191002

stock.py

@@ -244,7 +244,7 @@ class CreateShippingUPS(Wizard):
     def get_shipping_party(self, party, address):
         shipping_party = {
             'Name': party.name[:35],
-            'AttentionName': party.name[:35],
+            'AttentionName': address.party.name[:35],
             'Address': {
                 'AddressLine': (address.street or '').splitlines(),
                 'City': address.city,