[ACS-10275] a11y - Notification & Filter indicators not announced by screen readers (#11267)

lib/content-services/src/lib/i18n/en.json

@@ -380,6 +380,7 @@
       "TITLE": "Filter",
       "TYPE": "Type",
       "FILTER_BY": "Filter by {{ category }}",
+      "ACTIVE_FILTER": "Active filter",
       "CLEAR": "Clear",
       "APPLY": "Apply",
       "FILTERS": {

lib/content-services/src/lib/search/components/search-filter-container/search-filter-container.component.html

@@ -8,7 +8,7 @@
         (menuOpened)="onMenuOpen()"
         (keyup.enter)="$event.stopPropagation()"
         class="adf-filter-button"
-        [attr.aria-label]="getTooltipTranslation(col?.title)"
+        [attr.aria-label]="isActive() ? getTooltipTranslation(col?.title) + ' (' + ('SEARCH.SEARCH_HEADER.ACTIVE_FILTER' | translate) + ')' : getTooltipTranslation(col?.title)"
         [title]="getTooltipTranslation(col?.title)"
     >
         <adf-icon

lib/core/src/lib/i18n/en.json

@@ -24,6 +24,7 @@
   "CLOSE": "CLOSE",
   "NOTIFICATIONS": {
     "NO_MESSAGE": "You have no notifications at this time.",
+    "UNREAD_MESSAGES": "You have unread notifications.",
     "TITLE": "Notifications",
     "MARK_AS_READ": "Mark all as read",
     "SYSTEM": "System",

lib/core/src/lib/notifications/components/notification-history.component.html

@@ -1,7 +1,7 @@
 <button mat-button
         [matMenuTriggerFor]="menu"
         aria-hidden="false"
-        [attr.aria-label]="'NOTIFICATIONS.OPEN_HISTORY' | translate"
+        [attr.aria-label]="('NOTIFICATIONS.' + (notifications.length ? 'UNREAD_MESSAGES' : 'NO_MESSAGE') | translate) + ' ' + ('NOTIFICATIONS.OPEN_HISTORY' | translate)"
         title="{{ 'NOTIFICATIONS.OPEN_HISTORY' | translate }}"
         class="adf-notification-history-menu_button"
         id="adf-notification-history-open-button"