message: try to fix Creator master with removing space
diff: @@ -271,7 +271,6 @@ class SurveyQuestionMatrixHeaderRequired extends ReactSurveyElement {
  if(!this.column.isRenderedRequired) return null;
  return (
  <>
  - <span>&nbsp;</span>
  <span className={this.question.cssClasses.cellRequiredText}>{this.column.requiredText}</span>
  </>
  );
  