do not show image carousel arrows if only one image is present

src/app/website/features/ImageCarousel.svelte

@@ -71,6 +71,7 @@
         >
       {/each}
     </div>
+    {#if images.length > 1}
       <div class="absolute top-0 left-2 h-full flex items-center">
         <button
           class="backdrop-invert-75 w-10 h-10 rounded-full flex justify-center items-center cursor-pointer z-20"
@@ -86,6 +87,7 @@
         >
       </div>
     {/if}
+  {/if}
 </div>
 
 {#if activeImageIdx != null}