feat: allow quote editing for all statuses except completed

shop/app/my-orders/page.tsx

@@ -132,7 +132,7 @@ export default async function MyOrdersPage() {
                         Details ansehen
                       </Button>
                     </Link>
-                    {o.status === 'pending' && (
+                    {o.status !== 'completed' && (
                       <Link href={`/order?id=${o.id}`}>
                         <Button variant="outline" size="sm" className="border-amber-500/20 hover:bg-amber-500/10 hover:border-amber-500/40 text-amber-400 text-xs">
                           Bearbeiten

shop/app/order/page.tsx

@@ -66,7 +66,7 @@ async function OrderDataWrapper({ orderId }: { orderId?: string }) {
       redirect('/order')
     }
 
-    if (orderData.status !== 'pending' && !isAdmin) {
+    if (orderData.status === 'completed' && !isAdmin) {
       redirect('/order')
     }