Function spawn_ws_server 

pub(super) fn spawn_ws_server(
    config: &RuntimeConfig,
    server: &ApiServer,
    server_config: &ServerConfig,
    bridge: &Arc<GatewayBridge>,
    ws_key_store: &Option<Arc<KeyStore>>,
    shared_counters: &Arc<RuntimeCounters>,
    shutdown_rx: &Receiver<bool>,
    listener_events_tx: &UnboundedSender<ListenerBindEvent>,
) -> (Option<JoinHandle<Result<()>>>, Option<Arc<KeyStore>>)