message: Update QuestionNonValue doccomments
diff: @@ -3,7 +3,9 @@ import { Serializer } from "./jsonobject";
  import { SurveyError } from "./survey-error";
  /**
  - * A Model for non value question. This question doesn't add any new functionality. It hides some properties, including the value.
  + * A base class for question types that cannot have a value ([Html](https://surveyjs.io/form-library/documentation/questionhtmlmodel), [Image](https://surveyjs.io/form-library/documentation/questionimagemodel)).
  + *
  + * This class does not implement new functionality&mdash;it only redefines default values of certain properties inherited from the [`Question`](https://surveyjs.io/form-library/documentation/question) class.
  */
  export class QuestionNonValue extends Question {
  constructor(name: string) {
  