message: Check if the handler is initialized before reading or processing
diff: @@ -143,6 +143,10 @@ void BandwidthEstimationHandler::updateExtensionMap(bool is_video, std::array<RT
  }
  void BandwidthEstimationHandler::read(Context *ctx, std::shared_ptr<DataPacket> packet) {
  + if (!initialized_) {
  + ctx->fireRead(std::move(packet));
  + return;
  + }
  if (initialized_ && !running_) {
  process();
  running_ = true;
  