How to get viewport focus back from loading screen movie?

Development Programming & Scripting UI
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2

Turns out if you comment out

GetMoviePlayer()->PlayMovie();

But still add the movie path to the movie before calling SetupLoadingScreen(); then the focus issue goes away and works as intended. Seems unintentional and counter intuitive, but I finally got it working.

Here is my working script -

void UTPGameInstance::Init()
{
	UGameInstance::Init();

	FCoreUObjectDelegates::PreLoadMap.AddUObject(this, &UTPGameInstance::BeginLoadingScreen);
	FCoreUObjectDelegates::PostLoadMap.AddUObject(this, &UTPGameInstance::EndLoadingScreen);
}

void UTPGameInstance::BeginLoadingScreen()
{
	FLoadingScreenAttributes LoadingScreen;
	LoadingScreen.bAutoCompleteWhenLoadingCompletes = false;
	LoadingScreen.bMoviesAreSkippable = false;
	LoadingScreen.MinimumLoadingScreenDisplayTime = 2;
	//LoadingScreen.WidgetLoadingScreen = FLoadingScreenAttributes::NewTestLoadingScreenWidget();

	LoadingScreen.MoviePaths.Add(TEXT("TacoLoading"));

	GetMoviePlayer()->SetupLoadingScreen(LoadingScreen);
	//GetMoviePlayer()->PlayMovie();
}

void UTPGameInstance::EndLoadingScreen()
{

}