Fix empty PSCommander tray icon initialization

pscommander/Services/ConfigService.cs

@@ -89,6 +89,7 @@ public async Task LoadAsync()
             var configPath = Path.Combine(GetFolder(), "config.ps1");
             if (!File.Exists(configPath))
             {
+                _menuService.UpdateToolbar(Configuration.ToolbarIcon);
                 return;
             }
 
@@ -167,4 +168,4 @@ public static void Debounce(Func<Task> action, int milliseconds = 1000)
             Task.Delay(milliseconds).ContinueWith(async task => { await action(); }, tokenSrc.Token);
         }
     }
-}
+}

pscommander/Services/MenuService.cs

@@ -1,13 +1,12 @@
 using System.Windows.Controls;
 using WPFMenuItem = System.Windows.Controls.MenuItem;
 using Hardcodet.Wpf.TaskbarNotification;
-using System.Windows.Media;
-using System.Windows.Media.Imaging;
 using System;
 using System.Management.Automation;
 using System.IO;
 using System.Reflection;
 using System.Drawing;
+using System.Windows;
 
 namespace pscommander
 {
@@ -42,7 +41,7 @@ public void UpdateToolbar(ToolbarIcon icon)
 
                 if (string.IsNullOrWhiteSpace(icon.Icon))
                 {
-                    _taskbarIcon.IconSource = new BitmapImage(new Uri("pack://application:,,,/pscommander;component/Resources/icon.ico"));
+                    _taskbarIcon.Icon = LoadDefaultIcon();
                 }
                 else 
                 {
@@ -100,6 +99,18 @@ public void UpdateToolbar(ToolbarIcon icon)
             });
         }
 
+        private static Icon LoadDefaultIcon()
+        {
+            var resourceInfo = Application.GetResourceStream(new Uri("pack://application:,,,/Resources/icon.ico"));
+            if (resourceInfo == null)
+            {
+                throw new FileNotFoundException("The default tray icon resource could not be found.", "Resources/icon.ico");
+            }
+
+            using var icon = new Icon(resourceInfo.Stream);
+            return (Icon)icon.Clone();
+        }
+
         private void AddMenuItem(ItemCollection items, MenuItem item)
         {
             var wpfMenuItem = new WPFMenuItem();
@@ -170,4 +181,4 @@ public void ShowInfo(string info)
             _taskbarIcon.ShowBalloonTip("Info", info, BalloonIcon.Info);
         }
     }
-}
+}