message: Fix SendUpdateAppList and SendOnAppUnreg order
diff: @@ -3316,6 +3316,11 @@ void ApplicationManagerImpl::UnregisterApplication(
  RemoveAppsWaitingForRegistration(handle);
  }
  }
  +
  + MessageHelper::SendOnAppUnregNotificationToHMI(
  + app_to_remove, is_unexpected_disconnect, *this);
  + commands_holder_->Clear(app_to_remove);
  +
  const auto enabled_local_apps = policy_handler_->GetEnabledLocalApps();
  if (helpers::in_range(enabled_local_apps, app_to_remove->policy_app_id())) {
  LOG4CXX_DEBUG(logger_,
  @@ -3328,8 +3333,6 @@ void ApplicationManagerImpl::UnregisterApplication(
  SendUpdateAppList();
  }
  - commands_holder_->Clear(app_to_remove);
  -
  if (EndAudioPassThru(app_id)) {
  // May be better to put this code in MessageHelper?
  StopAudioPassThru(app_id);
  @@ -3340,11 +3343,10 @@ void ApplicationManagerImpl::UnregisterApplication(
  plugin.OnApplicationEvent(plugin_manager::kApplicationUnregistered,
  app_to_remove);
  };
  - plugin_manager_->ForEachPlugin(on_app_unregistered);
  - MessageHelper::SendOnAppUnregNotificationToHMI(
  - app_to_remove, is_unexpected_disconnect, *this);
  + plugin_manager_->ForEachPlugin(on_app_unregistered);
  request_ctrl_.terminateAppRequests(app_id);
  +
  if (applications_.empty()) {
  policy_handler_->StopRetrySequence();
  }
  