message: revert(Checkbox): remove unused blur event
diff: [disabled]="isDisabled ? '' : null"
  [required]="isRequired ? '' : null"
  [(ngModel)]="value"
  - (blur)="onBlur()"
  (change)="inputChange.emit($event.checked)"
  (indeterminateChange)="indeterminateChange.emit($event)"
  >
  