Small refactoring

Author: eduard13

app/code/Magento/Newsletter/Model/Plugin/CustomerPlugin.php

@@ -161,12 +161,11 @@ public function afterDelete(CustomerRepository $subject, $result, CustomerInterf
     public function afterGetById(CustomerRepository $subject, CustomerInterface $customer)
     {
         $extensionAttributes = $customer->getExtensionAttributes();
-
+        $storeId = $this->storeManager->getStore()->getId();
+        $customer->setStoreId($storeId);
         if ($extensionAttributes === null) {
             /** @var CustomerExtensionInterface $extensionAttributes */
             $extensionAttributes = $this->extensionFactory->create(CustomerInterface::class);
-            $storeId = $this->storeManager->getStore()->getId();
-            $customer->setStoreId($storeId);
             $customer->setExtensionAttributes($extensionAttributes);
         }
         if ($extensionAttributes->getIsSubscribed() === null) {