Support folder-type libraries on tvOS

And fixed a bug in LibraryListView where proper parent ID was not passed
to LibraryViewModel.

Swiftfin tvOS/Views/ItemView/ItemView.swift

@@ -62,7 +62,7 @@ struct ItemView: View {
 				} else {
 					SeriesItemView(viewModel: SeriesItemViewModel(item: item))
 				}
-			case .boxset:
+			case .boxset, .folder:
 				CinematicCollectionItemView(viewModel: CollectionItemViewModel(item: item))
 			default:
 				Text(L10n.notImplementedYetWithType(item.type ?? ""))

Swiftfin tvOS/Views/LibraryListView.swift

@@ -81,7 +81,8 @@ struct LibraryListView: View {
 							}
 						} else {
 							Button {
-								self.libraryListRouter.route(to: \.library, (viewModel: LibraryViewModel(), title: library.name ?? ""))
+								self.libraryListRouter.route(to: \.library,
+								                             (viewModel: LibraryViewModel(parentID: library.id), title: library.name ?? ""))
 							}
 								label: {
 									ZStack {

Swiftfin tvOS/Views/LibraryView.swift

@@ -56,7 +56,6 @@ struct LibraryView: View {
 			} cell: { _, cell in
 				GeometryReader { _ in
 					if let item = cell.item {
-						if item.type != "Folder" {
 						Button {
 							libraryRouter.route(to: \.modalItem, item)
 						} label: {
@@ -68,7 +67,6 @@ struct LibraryView: View {
 								viewModel.requestNextPageAsync()
 							}
 						}
-						}
 					} else if cell.loadingCell {
 						ProgressView()
 							.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity, alignment: .center)