MOBILE-4595 a11y: Present status message when searching courses

Author: albertgasset

src/core/features/courses/pages/list/list.html

@@ -32,7 +32,7 @@ <h1 *ngIf="showOnlyEnrolled">{{ 'core.courses.mycourses' | translate }}</h1>
         <ng-container *ngIf="searchMode && searchTotal > 0">
             <ion-item-divider>
                 <ion-label>
-                    <h2>{{ 'core.courses.totalcoursesearchresults' | translate:{$a: searchTotal} }}</h2>
+                    <h2 role="status">{{ 'core.courses.totalcoursesearchresults' | translate:{$a: searchTotal} }}</h2>
                 </ion-label>
             </ion-item-divider>
         </ng-container>