FScopedPreAnimatedCaptureSource::FScopedPreAnimatedCaptureSource

Construct this capture source from a track instance input ([UMovieSceneTrackInstance](API\Runtime\MovieScene\EntitySystem\TrackInstance\UMovieSceneTrackInstance) + [FMovieSceneTrackInstanceInput](API\Runtime\MovieScene\EntitySystem\TrackInstance\FMovieSceneTrackInstanceInput)) and whether this should restore state when the template is finished