v1.10 — Activation with key dialog, auto-refresh, Access restriction, fixes

- Product key dialog: Fluent overlay with 5-field input + paste support
- Activate button on each license card asks for key first (/inpkey + /act)
- Auto-refresh lists after removal/activation on all pages
- Access checkbox disabled for Standard and Home & Business editions
- MSI uninstall: only accept {GUID} product codes (fix msiexec help popup)
- Window height properly resets when Details expander is collapsed

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

MainWindow.xaml.cs

@@ -202,6 +202,11 @@ namespace InstaSoftOfficeTool
             return Dialog.ShowAsync(title, message, confirmText, cancelText, type);
         }
 
+        public Task<string> AskProductKeyAsync()
+        {
+            return KeyDialog.ShowAsync();
+        }
+
         public void ShowBackToHomeButton()
         {
             BtnBack.Content = "\u2190 F\u0151oldal";