fix(core): update

ts/smartsocket.classes.socketserver.ts

@@ -11,6 +11,7 @@ import { logger } from './smartsocket.logging';
  */
 export class SocketServer {
   private smartsocket: Smartsocket;
+  private httpServerDeferred: plugins.smartpromise.Deferred<any>;
   private httpServer: pluginsTyped.http.Server | pluginsTyped.https.Server;
   
   /**
@@ -30,14 +31,19 @@ export class SocketServer {
     serverType: 'smartexpress',
     serverArg: pluginsTyped.smartexpress.Server
   ) {
+    this.httpServerDeferred = plugins.smartpromise.defer();
     await serverArg.startedPromise;
     this.httpServer = serverArg.httpServer;
+    this.httpServerDeferred.resolve();
   }
 
   /**
    * gets the server for socket.io
    */
-  public getServerForSocketIo() {
+  public async getServerForSocketIo() {
+    if (this.httpServerDeferred) {
+      await this.httpServerDeferred.promise;
+    }
     if (this.httpServer) {
       return this.httpServer;
     } else {