Minor change

Author: gave92

src/Files.App/UserControls/TerminalView.xaml.cs

@@ -202,6 +202,11 @@ private Task<TerminalSize> CreateXtermViewAsync(TerminalOptions options, Termina
 				.ContinueWith(t => JsonSerializer.Deserialize<TerminalSize>(t.Result)!);
 		}
 
+		public Task<string> SerializeXtermStateAsync()
+		{
+			return ExecuteScriptAsync(@"serializeTerminal()");
+		}
+
 		private async void WebViewControl_NavigationCompleted(WebView2 sender, CoreWebView2NavigationCompletedEventArgs args)
 		{
 			var _terminalBridge = new TerminalBridge(this);

src/Files.App/ViewModels/MainPageViewModel.cs

@@ -124,7 +124,9 @@ public MainPageViewModel()
 			});
 			TerminalCloseCommand = new RelayCommand<string>((name) =>
 			{
-				var terminal = Terminals.First(x => x.Id == name);
+				var terminal = Terminals.FirstOrDefault(x => x.Id == name);
+				if (terminal is null)
+					return;
 				terminal.Dispose();
 				Terminals.Remove(terminal);
 				SelectedTerminal = int.Min(SelectedTerminal, Terminals.Count - 1);