ENGCOM-2161: Declare module namespace before template path name(Magento_Sales::order/history.phtml). #16484

 - Merge Pull Request #16484 from mage2pratik/magento2:patch-1
 - Merged commits:
   1. 23c8639

Author: magento-engcom-team

app/code/Magento/Sales/Block/Order/History.php

@@ -19,7 +19,7 @@ class History extends \Magento\Framework\View\Element\Template
     /**
      * @var string
      */
-    protected $_template = 'order/history.phtml';
+    protected $_template = 'Magento_Sales::order/history.phtml';
 
     /**
      * @var \Magento\Sales\Model\ResourceModel\Order\CollectionFactory