fix: correct photo data structure access in model page

Photos are returned from backend as { directus_files_id: fileObject }
but frontend was trying to access p.id directly. Updated to use
p.directus_files_id.id to properly display model photos.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

packages/frontend/src/routes/models/[slug]/+page.svelte

@@ -22,9 +22,9 @@ const { data } = $props();
 
 let images = $derived(
 	data.model.photos.map((p) => ({
-		...p,
-		url: getAssetUrl(p.id),
-		thumbnail: getAssetUrl(p.id, "thumbnail"),
+		...p.directus_files_id,
+		url: getAssetUrl(p.directus_files_id.id),
+		thumbnail: getAssetUrl(p.directus_files_id.id, "thumbnail"),
 	})),
 );