message: device: fix reconnect
  This fix was merged earlier but somehow snuck back.
  If we reset this flag but don't set the actual UUID to 0, we won't ever
  request it again and therefore won't ever discover a device again that
  we have discovered before.
diff: @@ -386,9 +386,6 @@ void Device::set_disconnected()
  _connected = false;
  _parent->notify_on_timeout(_target_uuid);
  -
  - // Let's reset the flag hope again for the next time we see this target.
  - _target_uuid_initialized = false;
  }
  {
  