message: Slight Readability Improvements
  Summary: - code refactoring
diff: @@ -682,16 +682,18 @@ void QuicServerWorker::dispatchPacketData(
  if (quicVersion == QuicVersion::MVFST_EXPERIMENTAL) {
  transportSettings_.initCwndInMss = 30;
  }
  - if (transportSettingsOverrideFn_) {
  - folly::Optional<TransportSettings> overridenTransportSettings =
  - transportSettingsOverrideFn_(
  - transportSettings_, client.getIPAddress());
  +
  + auto overridenTransportSettings = transportSettingsOverrideFn_
  + ? transportSettingsOverrideFn_(
  + transportSettings_, client.getIPAddress())
  + : folly::none;
  +
  if (overridenTransportSettings) {
  if (overridenTransportSettings->dataPathType !=
  transportSettings_.dataPathType) {
  // It's too complex to support that.
  LOG(ERROR)
  - << "Overriding DataPathType isn't supported. Requested daapath="
  + << "Overriding DataPathType isn't supported. Requested datapath="
  << (overridenTransportSettings->dataPathType ==
  DataPathType::ContinuousMemory
  ? "ContinuousMemory"
  @@ -701,9 +703,6 @@ void QuicServerWorker::dispatchPacketData(
  } else {
  trans->setTransportSettings(transportSettings_);
  }
  - } else {
  - trans->setTransportSettings(transportSettings_);
  - }
  trans->setConnectionIdAlgo(connIdAlgo_.get());
  trans->setServerConnectionIdRejector(this);
  if (routingData.sourceConnId) {
  