fix(home): set work image ratio to auto on mobile

Author: luiskcs89

src/pages/app-home/app-home.scss

@@ -1,7 +1,7 @@
 .home {
   font-family: 'Muli', sans-serif;
   overflow-x: hidden;
-  
+
   .hero {
     background-color: white;
     background: url('/assets/svg/home-graphic-header-background.svg') center top;
@@ -297,6 +297,9 @@
 
       .phone-image {
         height: 440px;
+        @include media-breakpoint-down(sm) {
+          height: auto;
+        }
       }
     }