Do not load backend block context on frontend

Fix block context to reduce session locks

Author: ihor-sviziev

app/code/Magento/GiftMessage/Block/Cart/Item/Renderer/Actions/GiftOptions.php

@@ -5,9 +5,9 @@
  */
 namespace Magento\GiftMessage\Block\Cart\Item\Renderer\Actions;
 
-use Magento\Backend\Block\Template\Context;
 use Magento\Checkout\Block\Cart\Item\Renderer\Actions\Generic;
 use Magento\Framework\Json\Encoder;
+use Magento\Framework\View\Element\Template\Context;
 
 /**
  * @api