requirement from code review backport from EE

app/kubernetes/components/datatables/applications-stacks-datatable/applicationsStacksDatatable.html

@@ -109,8 +109,7 @@
           <tbody>
             <tr
               dir-paginate-start="item in ($ctrl.state.filteredDataSet = ($ctrl.dataset | filter:$ctrl.state.textFilter | filter: $ctrl.isDisplayed | orderBy:$ctrl.state.orderBy:$ctrl.state.reverseOrder | itemsPerPage: $ctrl.state.paginatedItemLimit: $ctrl.tableKey))"
-              ng-class="{ active: item.Checked }"
-              ng-style="{ background: item.Highlighted ? 'var(--bg-item-highlighted-color)' : '' }"
+              ng-class="{ active: item.Checked, 'datatable-highlighted': item.Highlighted }"
               ng-click="$ctrl.expandItem(item, !item.Expanded)"
               pagination-id="$ctrl.tableKey"
             >
@@ -145,7 +144,7 @@
               dir-paginate-end
               ng-show="item.Expanded"
               ng-repeat="app in item.Applications"
-              ng-style="{ background: item.Highlighted ? 'var(--bg-item-highlighted-color)' : 'var(--bg-item-highlighted-null-color)' }"
+              ng-class="{ 'datatable-highlighted': item.Highlighted, 'datatable-unhighlighted': !item.Highlighted }"
             >
               <td></td>
               <td colspan="4">