minor change; schema change should always be there since people come …

…from pending actions tab

ddpui/ddpairbyte/airbytehelpers.py

@@ -1312,9 +1312,12 @@ def schedule_update_connection_schema(
                 job.save()
 
             # update the schema change with the scheduled job
-            OrgSchemaChange.objects.get_or_create(
-                org=orguser.org, connection_id=connection_id, defaults={"schedule_job": job}
-            )
+            schema_change = OrgSchemaChange.objects.filter(
+                connection_id=connection_id, org=orguser.org
+            ).first()
+            if schema_change:
+                schema_change.schedule_job = job
+                schema_change.save()
 
         for tasklock in locks:
             tasklock.flow_run_id = res["flow_run_id"]