add tvOS top shelf

JellyfinPlayer tvOS/Assets.xcassets/App Icon & Top Shelf Image.brandassets/Top Shelf Image.imageset/Contents.json

@@ -1,18 +1,22 @@
 {
   "images" : [
     {
+      "filename" : "top shelf.png",
       "idiom" : "tv",
       "scale" : "1x"
     },
     {
+      "filename" : "Untitled-2.png",
       "idiom" : "tv",
       "scale" : "2x"
     },
     {
+      "filename" : "top shelf-1.png",
       "idiom" : "tv-marketing",
       "scale" : "1x"
     },
     {
+      "filename" : "Untitled-1.png",
       "idiom" : "tv-marketing",
       "scale" : "2x"
     }

JellyfinPlayer tvOS/ConnectToServerView.swift

@@ -160,7 +160,7 @@ struct ConnectToServerView: View {
         .padding(.leading, 90)
         .padding(.trailing, 90)
         .alert(item: $viewModel.errorMessage) { _ in
-            Alert(title: Text("Error"), message: Text(viewModel.errorMessage ?? ""), dismissButton: .default(Text("Ok")))
+            Alert(title: Text("Error"), message: Text(viewModel.errorMessage as? String ?? ""), dismissButton: .default(Text("Ok")))
         }
         .onChange(of: uri) { uri in
             viewModel.uriSubject.send(uri)