Gets a MovieMaker.IMovieTrackRecorder for the given ['paramref'], creating one if it doesn't exist. If MovieMaker.MovieRecorderOptions.Filters reject the component's game object, returns null instead.
Calling MovieMaker.MovieRecorder.Capture on the returned recorder will use MovieMaker.IComponentCapturers to decide which properties to capture. These handlers are configured using MovieMaker.MovieRecorderOptions.ComponentCapturers.