MAVLink: Set v2 state also on incoming MAVLink 2 packets

src/comm/MAVLinkProtocol.cc

@@ -221,6 +221,7 @@ void MAVLinkProtocol::receiveBytes(LinkInterface* link, QByteArray b)
                 if (!(mavlinkStatus->flags & MAVLINK_STATUS_FLAG_IN_MAVLINK1) && (mavlinkStatus->flags & MAVLINK_STATUS_FLAG_OUT_MAVLINK1)) {
                     qDebug() << "Switching outbound to mavlink 2.0 due to incoming mavlink 2.0 packet:" << mavlinkStatus << mavlinkChannel << mavlinkStatus->flags;
                     mavlinkStatus->flags &= ~MAVLINK_STATUS_FLAG_OUT_MAVLINK1;
+                    _current_version = 200;
                 }
                 link->setDecodedFirstMavlinkPacket(true);
             }