Add option to show the old title bar (#101)

src/Ryujinx/UI/Views/Settings/SettingsUIView.axaml

@@ -39,6 +39,9 @@
                     <CheckBox IsChecked="{Binding RememberWindowState}">
                         <TextBlock Text="{locale:Locale SettingsTabGeneralRememberWindowState}" />
                     </CheckBox>
+                    <CheckBox IsChecked="{Binding ShowTitleBar}" Name="ShowTitleBarBox">
+                        <TextBlock Text="{locale:Locale SettingsTabGeneralShowTitleBar}" />
+                    </CheckBox>
                     <StackPanel Margin="0, 15, 0, 0" Orientation="Horizontal">
                         <TextBlock VerticalAlignment="Center"
                                    Text="{locale:Locale SettingsTabGeneralHideCursor}"

src/Ryujinx/UI/Views/Settings/SettingsUIView.axaml.cs

@@ -2,8 +2,8 @@ using Avalonia.Controls;
 using Avalonia.Interactivity;
 using Avalonia.Platform.Storage;
 using Avalonia.VisualTree;
-using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.UI.ViewModels;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -17,6 +17,7 @@ namespace Ryujinx.Ava.UI.Views.Settings
         public SettingsUiView()
         {
             InitializeComponent();
+            ShowTitleBarBox.IsVisible = OperatingSystem.IsWindows();
         }
 
         private async void AddGameDirButton_OnClick(object sender, RoutedEventArgs e)