Sample
：github : arcgis-pro-sdk-community-samples\Map-Authoring\CIMExamples\ChangeLayerDataSource.cs
In the final with ChangeUSHighwaysLayerDataConnectionAsync
MapView.Active.Map.SaveAsFile($@C:\Data\Admin\AdminSample.mapx, true);
The relative path to the layer data source is not correct in AdminSample.mapx after saving
ArcGIS Pro Version ： 3.0.2
