ENGCOM-2877: Fix for ProductLink - setterName was incorrectly being set #17774

Author: Stanislav Idolov

app/code/Magento/Catalog/Model/ProductLink/Repository.php

@@ -178,7 +178,7 @@ public function getList(\Magento\Catalog\Api\Data\ProductInterface $product)
                     foreach ($item['custom_attributes'] as $option) {
                         $name = $option['attribute_code'];
                         $value = $option['value'];
-                        $setterName = 'set'.ucfirst($name);
+                        $setterName = 'set'.str_replace('_', '', ucwords($name, '_'));
                         // Check if setter exists
                         if (method_exists($productLinkExtension, $setterName)) {
                             call_user_func([$productLinkExtension, $setterName], $value);