Add BPW to WidgetComponet in C++

[LazerLeon]

I try this but UE don t find it

	ConstructorHelpers::FObjectFinder<UPanalButtonsWidget>WidgetObjectFinder(TEXT("/Script/UMGEditor.WidgetBlueprint'/Game/BLueprints/MiniGames/BinaryTree/BPW_PanalButtonsWidget.BPW_PanalButtonsWidget_C'"));