Merge branch 'feature/ISTWCMS-5340-ebremner-fix-empty-img' into '3.0.x'

ISTWCMS-5340: Fix empty img src and alt attributes

See merge request !151

source/_patterns/04-components/card/card-elements/_banner.twig

@@ -3,11 +3,19 @@
   <a href="{{ image.link }}">
     {% endif %}
   <div class="card__banner--media">
+    {% if listing_image.img_element %}
       {% include "@components/responsive-image/responsive-image.twig" with {
         sources: image.sources,
         img_element: listing_image.img_element,
         alt: listing_image.alt
       }%}
+    {% else %}
+      {% include "@components/responsive-image/responsive-image.twig" with {
+        sources: image.sources,
+        img_element: image.img_element,
+        alt: image.alt
+      }%}
+    {% endif %}
   </div>
   {% if image.big_text or image.small_text %}
     <div class="card__banner--caption">