message: Prevented sending empty survey
diff: @@ -365,11 +365,12 @@ export class SurveyModel extends Base implements ISurvey, ISurveyTriggerOwner, I
  return vPages.indexOf(this.currentPage) == vPages.length - 1;
  }
  public doComplete() {
  + let previousCookie = this.hasCookie;
  this.clearUnusedValues();
  this.setCookie();
  this.setCompleted();
  this.onComplete.fire(this, null);
  - if (this.surveyPostId) {
  + if (!previousCookie && this.surveyPostId) {
  this.sendResult();
  }
  }
  