Issue #3210582 by RajabNatshah: Fix Barrio performance coverage for Alerts...

Issue #3210582 by RajabNatshah: Fix Barrio performance coverage for Alerts component style on pages with no Alerts

bootstrap_barrio.libraries.yml

@@ -6,7 +6,6 @@ global-styling:
   css:
     component:
       css/components/affix.css: {}
-      css/components/alerts.css: {}
       css/components/book.css: {}
       css/components/comments.css: {}
       css/components/contextual.css: {}

templates/misc/status-messages--alerts.html.twig

@@ -25,6 +25,8 @@
  * @ingroup themeable
  */
 #}
+{{ attach_library('bootstrap_barrio/alerts') }}
+
 <div class="alert-wrapper" data-drupal-messages>
 {% for type, messages in message_list %}
   {%