ACS-3544 Fix accessibility issues in ACA trashcan (#7845)

lib/content-services/src/lib/document-list/components/document-list.component.html

@@ -63,6 +63,7 @@
                 <mat-progress-spinner
                     id="adf-document-list-loading"
                     class="adf-document-list-loading-margin"
+                    [attr.aria-label]="'ADF-DOCUMENT-LIST.LOADER_LABEL' | translate"
                     [color]="'primary'"
                     [mode]="'indeterminate'">
                 </mat-progress-spinner>

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

@@ -71,7 +71,8 @@
       "VIEW": "View",
       "REMOVE": "Remove",
       "DOWNLOAD": "Download"
-    }
+    },
+    "LOADER_LABEL": "Document list loader"
   },
   "ALFRESCO_DOCUMENT_LIST": {
     "BUTTON": {

lib/core/src/lib/datatable/components/datatable/datatable.component.html

@@ -66,6 +66,8 @@
                         <span *ngIf="col.title && col.sortable && isDraggingHeaderColumn" class="adf-sr-only" aria-live="polite">
                             {{ getSortLiveAnnouncement(col) | translate: { string: col.title | translate } }}
                         </span>
+
+                        <span *ngIf="!col.title && !col.sortable && !headerFilterTemplate" [attr.title]="'ADF-DATATABLE.ACCESSIBILITY.EMPTY_HEADER' | translate"></span>
                     </ng-container>
 
                     <div *ngIf="col.header" class="adf-datatable-cell-value">

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

@@ -335,7 +335,8 @@
       "SORT_DESCENDING_BY": "Descending by {{ string }}",
       "ICON_TEXT": "Item type {{ type }}",
       "ICON_DISABLED": "Disabled",
-      "ROW_OPTION_BUTTON": "Actions"
+      "ROW_OPTION_BUTTON": "Actions",
+      "EMPTY_HEADER": "Empty header"
     },
     "FILE_TYPE": {
       "DOCUMENT": "Document",