ENGCOM-3691: [Backport] Fix: Attribute Option with zero at the beginning does not work if there is already option with the same number without the zero [REST API] #19612

Author: sidolov

app/code/Magento/Catalog/Model/Product/Attribute/OptionManagement.php

@@ -47,7 +47,7 @@ public function add($attributeCode, $option)
                 /** @var \Magento\Eav\Api\Data\AttributeOptionInterface $attributeOption */
                     $attributeOption = $attributeOption->getLabel();
             });
-            if (in_array($option->getLabel(), $currentOptions)) {
+            if (in_array($option->getLabel(), $currentOptions, true)) {
                 return false;
             }
         }