use UDisplayClusterSceneComponent for flystick

Source/WidgetInteraction/Private/WidgetInteraction.cpp

@@ -71,7 +71,7 @@ void FWidgetInteractionModule::OnWorldTickStart(ELevelTick level_tick, float val
     else {
       //if this is a cluster setup we attach it to the flystick
       name = TEXT("flystick");
-      component_class = UMotionControllerComponent::StaticClass();
+      component_class = UDisplayClusterSceneComponent::StaticClass();
     }
 
     auto parent_vec = vr_pawn->GetComponentsByClass(component_class);
@@ -85,7 +85,7 @@ void FWidgetInteractionModule::OnWorldTickStart(ELevelTick level_tick, float val
     }
 
     if (!success)
-      UE_LOG(LogTemp, Error, TEXT("Failed to load widget asset \"%s"), *name);
+      UE_LOG(LogTemp, Error, TEXT("Failed to load widget asset \"%s\", cannot attach widget interaction component"), *name);
   }
 }