resolve tray icon not opening links on osx

Emby.Server.Core/ApplicationHost.cs

@@ -1583,7 +1583,8 @@ namespace Emby.Server.Core
 
         public void LaunchUrl(string url)
         {
-            if (EnvironmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows)
+            if (EnvironmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows &&
+                EnvironmentInfo.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.OSX)
             {
                 throw new NotImplementedException();
             }