Rework API calls and each loops

src/routes/index.svelte

@@ -4,13 +4,18 @@
 	// Preload data
 	export async function preload (page, session) {
         // Load random photos
+        const fields = [
+            'id', 'name', 'image.private_hash',
+            'location.id', 'location.name', 'location.slug', 'location.country.name'
+        ]
+        const sort = '?'
         const limit = 5
-		const req = await this.fetch(`${apiEndpoints.rest}/items/photos?fields=id,name,image.*,location.*,location.country.name&sort=?&limit=${limit}`)
+        const req = await this.fetch(`${apiEndpoints.rest}/items/photos?fields=${fields.join()}&sort=${sort}&limit=${limit}`)
         const photos = await req.json()
 		if (req.ok) {
             return { photos: photos.data }
         }
-		this.error(404, 'Not found')
+        this.error(404, 'Not found')
 	}
 </script>