This is fixed with ArcGIS Experience Builder (Developer Edition) 1.13 patch 2. Refer to https://community.esri.com/t5/arcgis-experience-builder-blog/a-business-analyst-widget-patch-is-available-for/ba-p/1352819 for more information.
The fix is to be included in ArcGIS Experience Builder (Developer Edition) 1.14 as well.