fix library progress view, increase tvOS page size

Shared/ViewModels/LibraryViewModel.swift

@@ -188,6 +188,10 @@ extension UIScreen {
 		let screenSize = UIScreen.main.bounds.height * UIScreen.main.bounds.width
 		let itemSize = width * height
 
-		return Int(screenSize / itemSize)
+		#if os(tvOS)
+			return Int(screenSize / itemSize) * 2
+		#else
+			return Int(screenSize / itemSize)
+		#endif
 	}
 }

Swiftfin tvOS/Views/LibraryView.swift

@@ -27,7 +27,7 @@ struct LibraryView: View {
 	var isShowingFilterView = false
 
 	var body: some View {
-		if viewModel.isLoading == true {
+		if viewModel.rows.isEmpty && viewModel.isLoading == true {
 			ProgressView()
 		} else if !viewModel.rows.isEmpty {
 			CollectionView(rows: viewModel.rows) { _, _ in