message: Clear photo list when storage is formatted
diff: @@ -1735,7 +1735,17 @@ void CameraImpl::format_storage_async(Camera::ResultCallback callback)
  cmd_format.target_component_id = _camera_id + MAV_COMP_ID_CAMERA;
  _parent->send_command_async(
  - cmd_format, std::bind(&CameraImpl::receive_command_result, this, _1, callback));
  + cmd_format, [this, callback](MavlinkCommandSender::Result result, float progress) {
  + UNUSED(progress);
  +
  + receive_command_result(result, [this, callback](Camera::Result result) {
  + if (result == Camera::Result::Success) {
  + _status.photo_list.clear();
  + }
  +
  + callback(result);
  + });
  + });
  }
  std::pair<Camera::Result, std::vector<Camera::CaptureInfo>>
  