Updating Roles listing UI to dynamically fetch app-context

components/device-mgt/org.wso2.carbon.device.mgt.ui/src/main/resources/jaggeryapps/devicemgt/app/pages/cdmf.page.roles/roles.hbs

@@ -87,13 +87,14 @@ under the License.
                 <th colspan="3"></th>
             </tr>
             </thead>
-            <tbody id="ast-container"></tbody>
+            <tbody id="ast-container" data-app-context="{{appContext}}"></tbody>
         </table>
     </div>
 
     <div id="content-filter-types" style="display: none">
         <div class="sort-title">Sort By</div>
         <div class="sort-options">
+            <!--suppress HtmlUnknownTag -->
             <th>By Role name</th>
         </div>
     </div>