Failed attempt #3 at Entity/move with a callback

Entity+Move3.swift

extension Entity {
    
    /// Animated `Entity/move` with a completion handler.
    ///
    /// This implementation works but for some reason `timingFunction` appears to be
    /// ignored and the timing function of the resulting animation is always linear.
    func move(to target: Transform, relativeTo referenceEntity: Entity?, duration: TimeInterval, delay: TimeInterval = 0, timingFunction: AnimationTimingFunction = .default, completion: @escaping () -> Void) {
        guard let scene else {
            completion()
            return
        }
        
        let animation = FromToByAnimation(name: "Entity/move", to: target, duration: duration, timing: timingFunction, isAdditive: false, bindTarget: .transform, delay: delay)
        
        let animationResource: AnimationResource
        do {
            animationResource = try .generate(with: animation)
        } catch {
            assertionFailure("Could not generate animation: \(error.localizedDescription)")
            completion()
            return
        }
        
        let animationPlaybackController = playAnimation(animationResource)
        
        let publisher = scene.publisher(for: AnimationEvents.PlaybackCompleted.self)

        Task {
            _ = await publisher.values.first(where: { $0.playbackController == animationPlaybackController })
            completion()
        }
    }
    
}