message: add missing ACL initialization for manager
  fixes
diff: @@ -73,6 +73,10 @@ pub async fn run(config: Config) -> io::Result<()> {
  manager.set_udp_expiry_duration(d);
  }
  + if let Some(acl) = config.acl {
  + manager.set_acl(Arc::new(acl));
  + }
  +
  for svr_cfg in config.server {
  manager.add_server(svr_cfg).await;
  }
  