feat(cave): added tooltip on how to cycle door modes on primary node

Source/RWTHVRCluster/Private/CAVEOverlay/CAVEOverlayController.cpp

@@ -217,7 +217,7 @@ void ACAVEOverlayController::BeginPlay()
 	// Set Text to "" until someone presses the key for the first time
 	Overlay->CornerText->SetText(FText::FromString(""));
 
-	//Make tooltip visible on primary node only
+	// Make tooltip visible on primary node only
 	if (ScreenType == SCREEN_PRIMARY)
 	{
 		Overlay->Tooltip->SetVisibility(ESlateVisibility::Visible);