message: Work for add footer toolbar in panel
diff: <ng-container *ngFor="let row of model.rows">
  <sv-ng-row [row]="row" style="display: contents;"></sv-ng-row>
  </ng-container>
  - <!-- ko component: { name: 'sv-action-bar', params: { model: getFooterToolbar() } } -->
  - <!-- /ko -->
  + <sv-ng-action-bar [model]="model.getFooterToolbar()"></sv-ng-action-bar>
  </div>
  </div>
  