Creates a new frame model that tracks the specified animation The animation update binding can be updated whenever the frames become invalidated; the value has no meaning, so any value (for example, the length of the edit log)
(animation: Arc<Anim>, edits: Subscriber<Arc<Vec<AnimationEdit>>>, when: BindRef<Duration>, animation_update: BindRef<u64>, selected_layer: BindRef<Option<u64>>)
source not stored for this graph (policy: none)
nothing calls this directly
no test coverage detected