message: Disable PDF and XML radio buttons
  (both formats are not supported yet)
diff: <mat-radio-group id="formatControl" [formControl]="formatControl">
  <mat-label class="radio-label" translate>EXPORT_LABEL <span>:</span></mat-label>
  <mat-radio-button value="1" aria-label="Export Option JSON">JSON</mat-radio-button>
  - <mat-radio-button value="2" aria-label="Export Option PDF">PDF</mat-radio-button>
  - <mat-radio-button value="3" aria-label="Export Option Excel">Excel</mat-radio-button>
  + <mat-radio-button value="2" aria-label="Export Option PDF" disabled>PDF</mat-radio-button>
  + <mat-radio-button value="3" aria-label="Export Option Excel" disabled>Excel</mat-radio-button>
  </mat-radio-group>
  <div *ngIf="presenceOfCaptcha">
  