Fix the problem of font select (#9405)

* Update OptionSettingWindow.axaml.cs

* Update OptionSettingWindow.axaml.cs

v2rayN/v2rayN.Desktop/Views/OptionSettingWindow.axaml.cs

@@ -161,30 +161,19 @@ public partial class OptionSettingWindow : WindowBase<OptionSettingViewModel>
 
     private async Task<List<string>> GetFonts()
     {
+        await Task.CompletedTask;
+
         var lstFonts = new List<string>();
         try
         {
-            if (Utils.IsWindows())
+            var lst = Avalonia.Media.FontManager.Current.SystemFonts
-            {
+                .Select(t => t.Name)
-                return lstFonts;
-            }
-            else if (Utils.IsNonWindows())
-            {
-                var result = await Utils.GetLinuxFontFamily("zh");
-                if (result.IsNullOrEmpty())
-                {
-                    return lstFonts;
-                }
-
-                var lst = result.Split(Environment.NewLine)
                 .Where(t => t.IsNotEmpty())
-                    .ToList()
+                .Distinct(StringComparer.OrdinalIgnoreCase)
-                    .Select(t => t.Split(",").FirstOrDefault() ?? "")
                 .OrderBy(t => t)
                 .ToList();
             return lst;
         }
-        }
         catch (Exception ex)
         {
             Logging.SaveLog("GetFonts", ex);