more refactoring

ModpackUpdater.Apps/AppSymbolFactory.cs

@@ -0,0 +1,18 @@
+using Pilz.UI.Telerik;
+using Pilz.UI.Telerik.Symbols;
+using System.Reflection;
+
+namespace ModpackUpdater.Apps;
+
+internal class AppSymbolFactory : RadSymbolFactory<AppSymbols>
+{
+    public override Assembly GetImageResourceAssembly()
+    {
+        return Assembly.GetExecutingAssembly();
+    }
+
+    public override string GetImageRessourcePath(AppSymbols svgImage)
+    {
+        return $"{GetType().Namespace}.Symbols.{svgImage}.svg";
+    }
+}