iOS: fix AVRoutePickerView hierarchy warning by using UIViewControllerRepresentable

ios/LibNovel/LibNovel/Views/Player/PlayerViews.swift

@@ -571,16 +571,28 @@ struct FullPlayerView: View {
 
 // MARK: - AirPlay Button
 
-struct AirPlayButton: UIViewRepresentable {
+struct AirPlayButton: UIViewControllerRepresentable {
-    func makeUIView(context: Context) -> AVRoutePickerView {
+    func makeUIViewController(context: Context) -> UIViewController {
+        let vc = UIViewController()
+        vc.view.backgroundColor = .clear
+
         let picker = AVRoutePickerView()
         picker.tintColor = UIColor.white.withAlphaComponent(0.7)
         picker.activeTintColor = UIColor(named: "AccentColor") ?? UIColor.systemOrange
         picker.prioritizesVideoDevices = false
-        return picker
+        picker.translatesAutoresizingMaskIntoConstraints = false
+
+        vc.view.addSubview(picker)
+        NSLayoutConstraint.activate([
+            picker.leadingAnchor.constraint(equalTo: vc.view.leadingAnchor),
+            picker.trailingAnchor.constraint(equalTo: vc.view.trailingAnchor),
+            picker.topAnchor.constraint(equalTo: vc.view.topAnchor),
+            picker.bottomAnchor.constraint(equalTo: vc.view.bottomAnchor),
+        ])
+        return vc
     }
 
-    func updateUIView(_ uiView: AVRoutePickerView, context: Context) {}
+    func updateUIViewController(_ uiViewController: UIViewController, context: Context) {}
 }
 
 // MARK: - Sleep Timer Sheet