refactor(order): change order prefix from BE to AE for Anfragenummer

shop/lib/actions/orders.ts

@@ -21,7 +21,7 @@ import { getProducts, getCategories } from '@/lib/actions/products'
 function generateOrderNumber(): string {
   const year = new Date().getFullYear()
   const rand = Math.floor(10000 + Math.random() * 90000) // 5-stellig, niemals < 10000
-  return `BE-${year}-${rand}`
+  return `AE-${year}-${rand}`
 }
 
 /**