fix: Fixes unreachable code warning and missing forward declaration

Source/RWTHVRToolkit/Private/Utility/RWTHVRUtilities.cpp

@@ -27,16 +27,18 @@ bool URWTHVRUtilities::IsRoomMountedMode()
 {
 #if PLATFORM_SUPPORTS_CLUSTER
 	return URWTHVRClusterUtilities::IsRoomMountedMode();
-#endif
+#else
 	return false;
+#endif
 }
 
 bool URWTHVRUtilities::IsPrimaryNode()
 {
 #if PLATFORM_SUPPORTS_CLUSTER
 	return URWTHVRClusterUtilities::IsPrimaryNode();
-#endif
+#else
 	return false;
+#endif	
 }
 
 float URWTHVRUtilities::GetEyeDistance()

Source/RWTHVRToolkit/Public/Pawn/Navigation/TurnComponent.h

@@ -6,6 +6,7 @@
 #include "MovementComponentBase.h"
 #include "TurnComponent.generated.h"
 
+class UMotionControllerComponent;
 
 UCLASS(Blueprintable)
 class RWTHVRTOOLKIT_API UTurnComponent : public UMovementComponentBase