We are building a Google Data Studio Community Visualization and need to draw geographic features on a base map. The Google Data Studio default map component does not support geographic data for example Geojson. To build this feature, I tried Openlayers and Leaflet. Both of them work fine on local env but not Production environment. The error is

Refused to load the image 'https://a.tile.openstreetmap.org/13/4093/2723.png' because it violates the following Content Security Policy directive

I found this post by Community Visualization. It seems loading external image, in this case the base map tile, is not a feature of Community Visualization. So, is there anyway to implement a map to Community Visualization?