ENGCOM-2234: [Forwardport] Variable as a method parameter might be overridden by the loop #16642

 - Merge Pull Request #16642 from lfluvisotto/magento2:2.3-develop-PR-port-16143
 - Merged commits:
   1. 9365393

Author: magento-engcom-team

app/code/Magento/Bundle/Model/Product/Type.php

@@ -534,12 +534,12 @@ public function updateQtyOption($options, \Magento\Framework\DataObject $option,
 
         foreach ($selections as $selection) {
             if ($selection->getProductId() == $optionProduct->getId()) {
-                foreach ($options as &$option) {
-                    if ($option->getCode() == 'selection_qty_' . $selection->getSelectionId()) {
+                foreach ($options as $quoteItemOption) {
+                    if ($quoteItemOption->getCode() == 'selection_qty_' . $selection->getSelectionId()) {
                         if ($optionUpdateFlag) {
-                            $option->setValue(intval($option->getValue()));
+                            $quoteItemOption->setValue(intval($quoteItemOption->getValue()));
                         } else {
-                            $option->setValue($value);
+                            $quoteItemOption->setValue($value);
                         }
                     }
                 }