logToServer() {
    this.sendCtrl({
      uibuilderCtrl: "client log message",
      payload: arguments,
      // "version":"6.1.0-iife.min",
      _socketId: this._socket.id,
      // "ip":"::1",
      clientId: this.clientId,
      tabId: this.tabId,
      // "url":"esp-test",
      pageName: this.pageName,
      connections: this.connectedNum,
      lastNavType: this.lastNavType
    });
  }
Send log info back to Node-RED over uibuilder's websocket control output (Port #2)
@param {...*} arguments All arguments passed to the function are added to the msg.payload