misc: chore: Move the windows that are shown via ContentDialogs out of Ryujinx.Ava.UI.Windows (they're not windows)

src/Ryujinx/UI/Views/Dialog/AboutView.axaml.cs

@@ -0,0 +1,55 @@
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using FluentAvalonia.UI.Controls;
+using Ryujinx.Ava.Common.Locale;
+using Ryujinx.Ava.UI.Controls;
+using Ryujinx.Ava.UI.Helpers;
+using Ryujinx.Ava.UI.ViewModels;
+using Ryujinx.Common;
+using Ryujinx.Common.Helper;
+using System.Threading.Tasks;
+using Button = Avalonia.Controls.Button;
+
+namespace Ryujinx.Ava.UI.Views.Dialog
+{
+    public partial class AboutView : RyujinxControl<AboutWindowViewModel>
+    {
+        public AboutView()
+        {
+            InitializeComponent();
+
+            GitHubRepoButton.Tag =
+                $"https://github.com/{ReleaseInformation.ReleaseChannelOwner}/{ReleaseInformation.ReleaseChannelRepo}";
+        }
+
+        public static async Task Show()
+        {
+            using AboutWindowViewModel viewModel = new();
+            
+            ContentDialog contentDialog = new()
+            {
+                PrimaryButtonText = string.Empty,
+                SecondaryButtonText = string.Empty,
+                CloseButtonText = LocaleManager.Instance[LocaleKeys.UserProfilesClose],
+                Content = new AboutView { ViewModel = viewModel }
+            };
+
+            await ContentDialogHelper.ShowAsync(contentDialog.ApplyStyles());
+        }
+
+        private void Button_OnClick(object sender, RoutedEventArgs e)
+        {
+            if (sender is Button { Tag: string url })
+                OpenHelper.OpenUrl(url);
+        }
+
+        private void AmiiboLabel_OnPointerPressed(object sender, PointerPressedEventArgs e)
+        {
+            if (sender is TextBlock)
+            {
+                OpenHelper.OpenUrl("https://amiiboapi.com");
+            }
+        }
+    }
+}