message: Don't crash if the we are closed with loss timeout.
  Summary: As in title.
diff: @@ -2107,7 +2107,11 @@ void QuicTransportBase::sendPing(
  }
  void QuicTransportBase::lossTimeoutExpired() noexcept {
  - CHECK_NE(closeState_, CloseState::CLOSED);
  + DCHECK_NE(closeState_, CloseState::CLOSED);
  + // TODO this is a bandaid, but we should bail here.
  + if (closeState_ != CloseState::OPEN) {
  + return;
  + }
  // onLossDetectionAlarm will set packetToSend in pending events
  FOLLY_MAYBE_UNUSED auto self = sharedGuard();
  try {
  