message: Fix knockout rating string value selected check
diff: @@ -24,7 +24,7 @@ class QuestionRatingImplementor extends QuestionImplementor {
  (<any>this.question)["koGetCss"] = (val: any) => {
  var css = self.question.cssClasses.item;
  var selected = self.question.cssClasses.selected;
  - return this.question.value === val.value ? css + " " + selected : css;
  + return this.question.value == val.value ? css + " " + selected : css;
  };
  }
  protected onRateValuesChanged() {
  