Force Artikel to start a new grid row on the order list

sm:grid-cols-4 left 2 empty cells in row 1 after Bestellnummer/Datum
became col-span-1, so Grid auto-placement flowed Artikel into the
same row instead of wrapping.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

app/konto/bestellungen/page.tsx

@@ -69,7 +69,7 @@ export default async function KontoBestellungenPage() {
                     <p className="text-label text-text-muted">Datum</p>
                     <p className="text-body-sm text-text-primary">{formatDate(order.createdAt)}</p>
                   </div>
-                  <div className="flex flex-col gap-1">
+                  <div className="flex flex-col gap-1 sm:col-start-1">
                     <p className="text-label text-text-muted">Artikel</p>
                     <p className="text-body-sm text-text-primary">{order.itemCount}</p>
                   </div>