on rest outdial failure, if remote end closed gracefully don't wait for a reconnection

lib/session/call-session.js

@@ -796,7 +796,11 @@ class CallSession extends Emitter {
         }
       }
 
-      if (0 === this.tasks.length && this.requestor instanceof WsRequestor && !this.callGone) {
+      if (0 === this.tasks.length &&
+        this.requestor instanceof WsRequestor &&
+        !this.requestor.this.closedGracefully &&
+        !this.callGone
+      ) {
         try {
           await this._awaitCommandsOrHangup();
           if (this.callGone) break;