How to reliably load expanded collection of RadzenDataGrid?

Radzen.Blazor Components
1 
<RadzenDataGrid ...
                RowExpand="OnExpandRow"
                RowRender="@RowRender"

    async Task OnExpandRow(SeriesView seriesView)
    {
        CollectionEntry<SeriesView, SampleView> sampleCollection = DbContext.Entry(seriesView)
            .Collection(x => x.Samples);

        if (!sampleCollection.IsLoaded)
        {
            await sampleCollection.LoadAsync()
                .ContinueWith(async x =>
                {
                    await Task.Yield();
                    await InvokeAsync(StateHasChanged);
                });
        }
    }

    void RowRender(RowRenderEventArgs<SeriesView> args)
    {
        args.Expandable = args.Data.SampleCount > 0;
    }

In my experience the OnExpandRow method has only 75% chance to re-render loaded collection when the grid has just initialized. The collection is fetched from db, no issues with that, but it's often fails to re-render the expanded section, claiming that there are no records (which is not true)

I also noticed that it only happens after a grid is loaded for the first time. Each consecutive attempt to load the collection is always a success.

I tried regular StateHasChanged, invoke async, Task.Yield, combination of those, but nothing helped to re-render fetched collection every tine.

Radzen.Blazor" Version="5.2.4", server-side rendering

2

Can you try to prepare an example using our demos (they are editable) where this can be reproduced? I suspect that this part of the code is causing the problems:

Async void should be avoided at all cost.