fix: always apply role="row" on summary row

Moves the definition of role and tabindex to the `datatable-body-row`.
This ensures `role="row"` is always present on the summary-row.
Previously, the role="row" was missing on summary rows with position top.

Author: spike-rabbit

projects/ngx-datatable/src/lib/components/body/body-row.component.ts

@@ -59,6 +59,8 @@ import { DataTableBodyCellComponent } from './body-cell.component';
   styleUrl: './body-row.component.scss',
   changeDetection: ChangeDetectionStrategy.OnPush,
   host: {
+    role: 'row',
+    tabindex: '-1',
     '[class]': 'cssClass()',
     '[class.active]': 'isSelected()',
     '[class.datatable-row-odd]': 'innerRowIndex() % 2 !== 0',

projects/ngx-datatable/src/lib/components/body/body.component.ts

@@ -131,8 +131,6 @@ import { DataTableSummaryRowComponent } from './summary/summary-row.component';
           >
             <datatable-body-row
               #rowElement
-              role="row"
-              tabindex="-1"
               [disabled]="disabled"
               [isSelected]="getRowSelected(row)"
               [columns]="columns"
@@ -232,7 +230,6 @@ import { DataTableSummaryRowComponent } from './summary/summary-row.component';
       </datatable-scroller>
       @if (summaryRow() && summaryPosition() === 'bottom') {
         <datatable-summary-row
-          role="row"
           [rowHeight]="summaryHeight()"
           [innerWidth]="innerWidth()"
           [rows]="rows"

projects/ngx-datatable/src/lib/components/body/summary/summary-row.component.ts

@@ -28,7 +28,6 @@ const noopSumFunc = (cells: any[]): void => {
     @let _internalColumns = this._internalColumns();
     @if (summaryRow && _internalColumns.length) {
       <datatable-body-row
-        tabindex="-1"
         ariaRowCheckboxMessage=""
         [columns]="_internalColumns"
         [rowHeight]="rowHeight()"