Update submit UX of age range form on mobile. Resolves #1176. (#1180)

Author: frano-m

spa/src/app/files/facet/facet-toolbar/facet-toolbar.component.html

@@ -76,7 +76,7 @@
                             </ng-container>
                         </ng-container>
                         <div class="apply">
-                            <button class="button secondary" (click)="onFacetMenuOpen(false)">Apply</button>
+                            <button class="button secondary" (click)="onFacetMenuOpen(false)">Close</button>
                         </div>
                     </div>
                 </div>