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After update to 20.1.0.47 WASM Project don't work anymore

I got this and the solution don't work. See sample project as attachmemnt.

crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]

      Unhandled exception rendering component: Object reference not set to an instance of an object.

System.NullReferenceException: Object reference not set to an instance of an object.

   at Syncfusion.Blazor.CircularGauge.SfCircularGauge.OnAfterScriptRendered()

   at Syncfusion.Blazor.SfBaseComponent.OnAfterRenderAsync(Boolean firstRender)

   at Syncfusion.Blazor.CircularGauge.SfCircularGauge.OnAfterRenderAsync(Boolean firstRender)

   at Microsoft.AspNetCore.Components.RenderTree.Renderer.GetErrorHandledTask(Task taskToHandle, ComponentState owningComponentState)