Minor updates to tray icon

Duplicati/GUI/Duplicati.GUI.TrayIcon/AvaloniaRunner.cs

@@ -73,6 +73,7 @@ namespace Duplicati.GUI.TrayIcon
 
             application = builder.Instance as AvaloniaApp;
             application.SetMenu(menuItems);
+            application.Configure();
 
             lifetime.Start(args);
         }
@@ -121,7 +122,6 @@ namespace Duplicati.GUI.TrayIcon
 
         public override void Dispose() 
         {
-            GC.SuppressFinalize(this);
         }
         #endregion
 
@@ -154,7 +154,7 @@ namespace Duplicati.GUI.TrayIcon
         public bool Enabled { get; private set; }
         public MenuIcons Icon { get; private set; }
         public bool IsDefault { get; private set; }
-        private NativeMenuItem? nativeMenuItem;
+        private NativeMenuItem nativeMenuItem;
 
         public AvaloniaMenuItem(string text, MenuIcons icon, Action callback, IList<IMenuItem> subitems)
         {
@@ -242,7 +242,6 @@ namespace Duplicati.GUI.TrayIcon
 
         public override void Initialize()
         {
-            //AvaloniaXamlLoader.Load(this);
         }
 
         public void SetIcon(TrayIcons icon)
@@ -271,6 +270,12 @@ namespace Duplicati.GUI.TrayIcon
             }
         }
 
+        public void Configure()
+        {
+            this.Name = Duplicati.Library.AutoUpdater.AutoUpdateSettings.AppName;
+            this.trayIcon.ToolTipText = this.Name;
+        }
+
         public void SetMenu(IEnumerable<AvaloniaMenuItem> menuItems)
         {
             this.menuItems = menuItems.ToList();