message: add white space before and after in rating question description
diff: @@ -17,6 +17,8 @@ export class QuestionRatingModel extends Question {
  this.rates = ItemValue.createArray(this);
  this.locMinRateDescriptionValue = new LocalizableString(this, true);
  this.locMaxRateDescriptionValue = new LocalizableString(this, true);
  + this.locMinRateDescriptionValue.onRenderedHtmlCallback = function(text) { return text ? text + " " : text; }
  + this.locMaxRateDescriptionValue.onRenderedHtmlCallback = function(text) { return text ? " " + text : text; }
  }
  get rateValues(): Array<any> { return this.rates; }
  set rateValues(newValue: Array<any>) {
  