fix: cast first argument of calls to getProduct() to int (productId)

ajax/products/getProductEdit.php

@@ -10,7 +10,7 @@
 QUI::$Ajax->registerFunction(
     'package_quiqqer_erp_ajax_products_getProductEdit',
     function ($productId, $user) {
-        $Product = Products::getProduct($productId);
+        $Product = Products::getProduct((int)$productId);
 
         $Control = new ProductEdit([
             'Product' => $Product

ajax/products/getVariantChildren.php

@@ -10,7 +10,7 @@
 QUI::$Ajax->registerFunction(
     'package_quiqqer_erp_ajax_products_getVariantChildren',
     function ($productId) {
-        $Product = Products::getProduct($productId);
+        $Product = Products::getProduct((int)$productId);
 
         if (!($Product instanceof VariantParent)) {
             return [];

ajax/products/hasProductCustomFields.php

@@ -12,7 +12,7 @@
 QUI::$Ajax->registerFunction(
     'package_quiqqer_erp_ajax_products_hasProductCustomFields',
     function ($productId) {
-        $Product = Products::getProduct($productId);
+        $Product = Products::getProduct((int)$productId);
         $fields  = $Product->createUniqueProduct()->getCustomFields();
 
         return count($fields);

ajax/products/isVariantParent.php

@@ -13,7 +13,7 @@
 QUI::$Ajax->registerFunction(
     'package_quiqqer_erp_ajax_products_isVariantParent',
     function ($productId) {
-        $Product = Products::getProduct($productId);
+        $Product = Products::getProduct((int)$productId);
         return $Product instanceof VariantParent;
     },
     ['productId'],

src/QUI/ERP/Accounting/Article.php

@@ -426,7 +426,7 @@ public function getVat()
                     $Area = QUI\ERP\Defaults::getArea();
                 }
 
-                $Product = QUI\ERP\Products\Handler\Products::getProduct($this->attributes['id']);
+                $Product = QUI\ERP\Products\Handler\Products::getProduct((int)$this->attributes['id']);
                 $Vat = $Product->getField(QUI\ERP\Products\Handler\Fields::FIELD_VAT);
                 $TaxType = new QUI\ERP\Tax\TaxType($Vat->getValue());
                 $TaxEntry = TaxUtils::getTaxEntry($TaxType, $Area);