Fix Homepage collage's active photo effect while hover

- Change method and use a class on collage itself fading all photos, then highlight the one being hovered
- For some reason the content inside was conflicting the mouseenter event

src/components/molecules/PhotoCard.svelte

@@ -21,14 +21,14 @@
 </script>
 
 <div class="photo-card"
-    class:is-inactive={hovered}
+    class:is-hovered={hovered}
     on:mouseenter={() => sendHover(true)}
     on:focus={() => sendHover(true)}
     on:mouseout={() => sendHover(false)}
     on:blur={() => sendHover(false)}
 >
     {#if url}
-        <a href={url}>
+        <a href={url} sveltekit:noscroll>
             <Image
                 id={id}
                 sizeKey="postcard"

src/components/organisms/Collage.svelte

@@ -7,7 +7,7 @@
 </script>
 
 {#if photos}
-    <div class="collage">
+    <div class="collage" class:is-hovering={hovered !== null}>
         {#each photos as { slug, title, image, location, city }, index}
             <PhotoCard
                 id={image.id}
@@ -16,7 +16,7 @@
                 title={title}
                 location={location}
                 city={city}
-                hovered={hovered !== null && hovered !== index}
+                hovered={hovered === index}
                 on:hover={({ detail }) => hovered = detail ? index : null}
             />
         {/each}