fixes: confirm api

mappings/on_confirm.jsonata

@@ -48,7 +48,7 @@
                         "display": display,
                         "list": list.{ "code": descriptor.code, "name": descriptor.name, "value": value }[]
                     }[]
-            }[],
+            },
                 "fulfillments": message.order.fulfillments,
                 "quote": message.order.quote,
                 "billing": message.order.billing,