refs #20742 [finc] improve screenreader bookbag status

* full bookbag information is now part of role=status span

themes/finc/templates/header.phtml

@@ -38,8 +38,11 @@
           if ($cart->isActive()): ?>
             <li id="cartSummary">
               <a id="cartItems" class="btn" data-lightbox title="<?=$this->transEsc('View Book Bag')?>" href="<?=$this->url('cart-home')?>">
-                <i class="fa fa-clipboard" aria-hidden="true"></i> <span role="status"><span class="sr-only"><?=$this->transEsc('Book Bag')?>:</span> <strong><?=count($cart->getItems())?></strong> <span class="cart-label"><?=$this->transEsc('items')?></span></span>
-                <span class="sr-only full<?=!$cart->isFull() ? ' hidden' : ''?>">(<?=$this->transEsc('bookbag_full')?>)</span>
+                <i class="fa fa-clipboard" aria-hidden="true"></i>
+                <span role="status">
+                  <span class="sr-only"><?=$this->transEsc('Book Bag')?>:</span> <strong><?=count($cart->getItems())?></strong> <span class="cart-label"><?=$this->transEsc('items')?></span>
+                  <span class="sr-only full<?=!$cart->isFull() ? ' hidden' : ''?>">(<?=$this->transEsc('bookbag_full_msg')?>)</span>
+                </span>
               </a>
             </li>
           <?php endif; ?>