fix enqueue waithook on ws hold the session (#572)

* fix enqueue waithook on ws hold the session

* wip

lib/session/call-session.js

@@ -941,7 +941,8 @@ class CallSession extends Emitter {
       if (0 === this.tasks.length &&
         this.requestor instanceof WsRequestor &&
         !this.requestor.closedGracefully &&
-        !this.callGone
+        !this.callGone &&
+        !this.disableWaitCommand
       ) {
         try {
           await this._awaitCommandsOrHangup();

lib/session/confirm-call-session.js

@@ -23,6 +23,7 @@ class ConfirmCallSession extends CallSession {
     });
     this.dlg = dlg;
     this.ep = ep;
+    this.disableWaitCommand = true;
   }
 
   /**