Make counter link aria-hidden=true to avoid screenreaders hitting it

Author: cdrini

openlibrary/templates/lib/nav_head.html

@@ -60,7 +60,12 @@
       </div>
     </a>
     $# detect-missing-i18n-skip-line
-    <a href="$changequery(dict(show_page_status=1))" style="color:transparent;position:absolute;pointer-events:none;" tabindex="-1">Page Status</a>
+    <a
+      href="$changequery(dict(show_page_status=1))"
+      style="color:transparent;position:absolute;pointer-events:none;"
+      tabindex="-1"
+      aria-hidden="true"
+    >Page Status</a>
   </div>
 
   $ browseProps = {