OpenXR → Common Relation

File in Rendering/OpenXR	Includes file in Common
vtkOpenXRManager.h	Core / vtkNew.h
vtkOpenXRManager.h	Core / vtkSmartPointer.h
vtkOpenXRManagerConnection.h	Core / vtkObject.h
vtkOpenXRManagerGraphics.h	Core / vtkObject.h
vtkOpenXRRenderWindow.h	Core / vtkEventData.h
vtkOpenXRRenderWindowInteractor.h	Core / vtkEventData.h
vtkOpenXRSceneComponent.h	Core / vtkObject.h
vtkOpenXRSceneComponent.h	Core / vtkSmartPointer.h
vtkOpenXRSceneObserver.h	Core / vtkObject.h
vtkOpenXRUtilities.h	Math / vtkMatrix4x4.h