add link to bank slip

http-api/app/rules/enrollment.py

@@ -220,7 +220,9 @@ def set_status_as_canceled(
             item={
                 'id': id,
                 'sk': 'CANCELED',
-                'canceled_by': created_by,
+                # 'canceled_by': created_by,
+                'user_id': created_by['id'],
+                'name': created_by['name'],
                 'created_at': now_,
             },
         )