GUAC-932: Provide flag-based view for PermissionSets. Use ngModel instead of ngChecked for permission checkboxes in user edit UI.

guacamole/src/main/webapp/app/manage/templates/manageUser.html

@@ -53,7 +53,7 @@ THE SOFTWARE.
     <table class="properties">
         <tr ng-repeat="systemPermissionType in systemPermissionTypes">
             <th>{{systemPermissionType.label | translate}}</th>
-            <td><input type="checkbox" ng-checked="hasSystemPermission(systemPermissionType.value)"/></td>
+            <td><input type="checkbox" ng-model="permissionFlags.systemPermissions[systemPermissionType.value]"/></td>
         </tr>
     </table>
 </div>