feat(hero-banner): update image handling to support responsive images and refactor template

feat(cart): enhance editing logic and add tests for editable state
feat(tenant): modify HeroConfig to include responsive image type

src/app/shared/components/hero-banner/hero-banner.component.scss

@@ -12,11 +12,20 @@
 .hero-media {
   position: absolute;
   inset: 0;
+  display: block;
+  overflow: hidden;
   background-position: center;
   background-repeat: no-repeat;
   background-size: cover;
   border-radius: inherit;
 
+  img {
+    display: block;
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+  }
+
   &::after {
     content: '';
     position: absolute;