message: Add log to `broadcast_message_to_validators()`
diff: @@ -407,11 +407,25 @@ where
  /// Queues a message to be sent to validator nodes in the given era.
  fn broadcast_message_to_validators(&self, msg: Arc<Message<P>>, era_id: EraId) {
  self.net_metrics.broadcast_requests.inc();
  +
  + let mut total_connected_validators_in_era = 0;
  + let mut total_outgoing_manager_connected_peers = 0;
  +
  for peer_id in self.outgoing_manager.connected_peers() {
  + total_outgoing_manager_connected_peers += 1;
  if self.outgoing_limiter.is_validator_in_era(era_id, &peer_id) {
  + total_connected_validators_in_era += 1;
  self.send_message(peer_id, msg.clone(), None)
  }
  }
  +
  + debug!(
  + msg = %msg,
  + era = era_id.value(),
  + total_connected_validators_in_era,
  + total_outgoing_manager_connected_peers,
  + "broadcast_message_to_validators"
  + );
  }
  /// Queues a message to `count` random nodes on the network.
  