message: Check that the qualityManager is initialized
diff: @@ -59,6 +59,9 @@ void QualityManager::onConnectionQualityUpdate(ConnectionQualityLevel level) {
  selectLayer(false);
  }
  last_connection_quality_level_received_ = level;
  + if (!initialized_) {
  + return;
  + }
  stats_->getNode()["qualityLayers"].insertStat("currentQualityLevel",
  CumulativeStat{level});
  }
  