message: mission: add support for DO_GIMBAL_MANAGER_CONFIGURE in mission download
diff: @@ -569,6 +569,10 @@ std::pair<Mission::Result, Mission::MissionPlan> MissionImpl::convert_to_result_
  new_mission_item.gimbal_pitch_deg = int_item.param1;
  new_mission_item.gimbal_yaw_deg = int_item.param2;
  + } else if (int_item.command == MAV_CMD_DO_GIMBAL_MANAGER_CONFIGURE) {
  + // We need to ignore it in order to not throw an "Unsupported" error
  + break;
  +
  } else if (int_item.command == MAV_CMD_DO_MOUNT_CONFIGURE) {
  if (int(int_item.param1) != MAV_MOUNT_MODE_MAVLINK_TARGETING) {
  LogErr() << "Gimbal mount configure mode unsupported";
  