fix(photo-item): update image source to use thumbnail URL

- Changed the image source in PhotoItem component from original URL to thumbnail URL for improved loading performance and user experience.

Signed-off-by: Innei <tukon479@gmail.com>

Author: Innei

apps/ssr/src/app/(pages)/share/iframe/PhotoItem.tsx

@@ -107,7 +107,7 @@ export function PhotoItem({ photo, className }: PhotoItemProps) {
           loading="lazy"
         />
         <img
-          src={photo.originalUrl}
+          src={photo.thumbnailUrl}
           alt={photo.title}
           className="absolute inset-0 size-full object-cover object-center"
           loading="lazy"