Ava/MainWindow: Do not show Show Console menu item on non-Windows (#3461)

Ryujinx.Ava/Ui/ViewModels/MainWindowViewModel.cs

@@ -535,6 +535,11 @@ namespace Ryujinx.Ava.Ui.ViewModels
             }
         }
 
+        public bool ShowConsoleVisible
+        {
+            get => ConsoleHelper.SetConsoleWindowStateSupported;
+        }
+
         public ObservableCollection<ApplicationData> Applications
         {
             get => _applications;

Ryujinx.Ava/Ui/Windows/MainWindow.axaml

@@ -128,7 +128,7 @@
                                     <CheckBox IsChecked="{Binding StartGamesInFullscreen, Mode=TwoWay}" />
                                 </MenuItem.Icon>
                             </MenuItem>
-                            <MenuItem Header="{locale:Locale MenuBarOptionsShowConsole}">
+                            <MenuItem Header="{locale:Locale MenuBarOptionsShowConsole}" IsVisible="{Binding ShowConsoleVisible}">
                                 <MenuItem.Icon>
                                     <CheckBox IsChecked="{Binding ShowConsole, Mode=TwoWay}" />
                                 </MenuItem.Icon>