We are in the process of establishing GIS Enterprise 11.1 and there are quite a few experience builder apps that have been created in ArcGIS Online prior to setting up Portal. Is there a way to transfer the apps over to Portal? I tried to use the ArcGIS Assistant but it failed with an error 400 invalid client_id. We added an item through portal using the URL from ArcGIS Online and pulled it in as a web mapping application. Is there a way to do this so that it will show web experience instead?