SceneComponent.cpp [NewTransform.IsValid()] ensure when playing TM-CharacterMovement map on Mac

An ensure occurs when playing the QAGame level TM-CharacterMovement. This ensure only occurs on Mac.

1. Launch UE4Editor.app --args QAGame.
2. Open the level TM-CharacterMovement.
3. Play in editor.
4. Move around in the level.

RESULT:

Ensure occurs.

UE4Editor-Engine.dylib!USceneComponent::UpdateComponentToWorldWithParent()
UE4Editor-Engine.dylib!USceneComponent::InternalSetWorldLocationAndRotation()
UE4Editor-Engine.dylib!USceneComponent::MoveComponentImpl()
UE4Editor-Engine.dylib!UMovementComponent::MoveUpdatedComponentImpl()
UE4Editor-Engine.dylib!UInterpToMovementComponent::TickComponent()
UE4Editor-Engine.dylib!FActorComponentTickFunction::ExecuteTick()
UE4Editor-Engine.dylib!FTickFunctionTask::DoTask()
UE4Editor-Engine.dylib!TGraphTask<FTickFunctionTask>::ExecuteTask()
UE4Editor-Core.dylib!FNamedTaskThread::ProcessTasksNamedThread()
UE4Editor-Core.dylib!FNamedTaskThread::ProcessTasksUntilQuit()
UE4Editor-Core.dylib!FTaskGraphImplementation::ProcessThreadUntilRequestReturn()
UE4Editor-Core.dylib!FTaskGraphImplementation::WaitUntilTasksComplete()
UE4Editor-Engine.dylib!FTickTaskSequencer::ReleaseTickGroup()
UE4Editor-Engine.dylib!FTickTaskManager::RunTickGroup()
UE4Editor-Engine.dylib!UWorld::RunTickGroup()
UE4Editor-Engine.dylib!UWorld::Tick()
UE4Editor-Engine.dylib!UGameEngine::Tick()
UE4Editor!FEngineLoop::Tick()
UE4Editor!GuardedMain()
UE4Editor!<Unknown>
UE4Editor-Core.dylib!<Unknown>
Foundation!Unknown()
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>