message: delete old updates only if there are no pending updates (win)
diff: @@ -1165,14 +1165,14 @@ public static partial class Toggl
  // (updates are disabled in Debug configuration to allow for proper debugging)
  private static void installPendingUpdates()
  {
  - DeleteOldUpdates();
  -
  var aboutWindowViewModel = mainWindow.GetWindow<AboutWindow>().ViewModel;
  if (aboutWindowViewModel.InstallPendingUpdate())
  {
  // quit, updater will restart the app
  Environment.Exit(0);
  }
  +
  + DeleteOldUpdates();
  }
  private static void DeleteOldUpdates()
  