add billing

enrollments-events/app/events/enroll_scheduled.py

@@ -24,6 +24,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
     *_, org_id = old_image['id'].split('#')
     offset_days = old_image.get('dedup_window_offset_days')
     billing_day = old_image.get('subscription_billing_day')
+    created_by = old_image.get('created_by')
     enrollment = Enrollment(
         course=old_image['course'],
         user=old_image['user'],
@@ -43,6 +44,7 @@ def lambda_handler(event: EventBridgeEvent, context: LambdaContext) -> bool:
             if billing_day
             else None
         ),
+        created_by=created_by,
         scheduled_at=datetime.fromisoformat(old_image['created_at']),
         # Transfer the deduplication window if it exists
         deduplication_window={'offset_days': offset_days} if offset_days else None,