fix: change payment method has no effect

fix #6

bin/frontend/controls/SimpleCheckout.js

@@ -315,6 +315,7 @@ define('package/quiqqer/order-simple-checkout/bin/frontend/controls/SimpleChecko
                     // for the OrderProcess.js
                     if (this.getElm().getElement('form')) {
                         this.getElm().getElement('form').set('data-order-hash', result.orderHash);
+                        this.getElm().getElement('form').set('data-products-count', result.productCount);
                     }
 
                     moofx(Container).animate({

src/QUI/ERP/Order/SimpleCheckout/Checkout.php

@@ -170,7 +170,8 @@ public function orderWithCosts(): array
             'step' => $current,
             'url' => $OrderProcess->getStepUrl($current),
             'hash' => $OrderProcess->getStepHash(),
-            'orderHash' => $Order->getHash()
+            'orderHash' => $Order->getHash(),
+            'productCount' => $Order->getArticles()->count(),
         ];
     }