Child widget of Retainerbox draws with incorrect offset of RenderTranslation

int32 SRetainerWidget::PaintSlowPath(const FSlateInvalidationContext& Context)
{
#if 1
    FGeometry AllottedGeometry = GetPaintSpaceGeometry();
    const FPaintGeometry PaintGeometry = AllottedGeometry.ToPaintGeometry();
    const FVector2D RenderSize = PaintGeometry.GetLocalSize() * PaintGeometry.GetAccumulatedRenderTransform().GetMatrix().GetScale().GetVector();
    const uint32 RenderTargetWidth = FMath::RoundToInt(RenderSize.X);
    const uint32 RenderTargetHeight = FMath::RoundToInt(RenderSize.Y);
    const float Scale = AllottedGeometry.Scale;
    const FVector2D DrawSize = FVector2D(RenderTargetWidth, RenderTargetHeight);
    const FGeometry RetainedWindowGeometry = FGeometry::MakeRoot(DrawSize * ( 1 / Scale ), FSlateLayoutTransform(Scale, PaintGeometry.DrawPosition));
    return SCompoundWidget::OnPaint(*Context.PaintArgs, RetainedWindowGeometry, Context.CullingRect, *Context.WindowElementList, Context.IncomingLayerId, Context.WidgetStyle, Context.bParentEnabled);
#else
    return SCompoundWidget::OnPaint(*Context.PaintArgs, GetPaintSpaceGeometry(), Context.CullingRect, *Context.WindowElementList, Context.IncomingLayerId, Context.WidgetStyle, Context.bParentEnabled);
#endif
}