message: fixed  react boolean question class (according to ko and vue)
diff: @@ -46,8 +46,8 @@ export class SurveyQuestionBoolean extends SurveyQuestionElementBase {
  let itemClass = cssClasses.item + (isChecked ? " checked" : "");
  return (
  - <form className={itemClass}>
  - <label>
  + <form>
  + <label className={itemClass}>
  <input
  ref="check"
  type="checkbox"
  