AC-11496: Fix for import/export tax rates

Author: Devika-GL

app/code/Magento/TaxImportExport/Controller/Adminhtml/Rate.php

@@ -18,7 +18,7 @@ abstract class Rate extends \Magento\Backend\App\Action
      *
      * @see _isAllowed()
      */
-    public const ADMIN_RESOURCE = 'Magento_Tax::manage_tax';
+    public const ADMIN_RESOURCE = 'Magento_TaxImportExport::import_export';
 
     /**
      * @var \Magento\Framework\App\Response\Http\FileFactory
@@ -36,19 +36,4 @@ public function __construct(
         $this->fileFactory = $fileFactory;
         parent::__construct($context);
     }
-
-    /**
-     * Check ACL permission
-     *
-     * @return bool
-     */
-    protected function _isAllowed(): bool
-    {
-        return match (strtolower($this->getRequest()->getActionName())) {
-            'importexport', 'importpost', 'exportcsv', 'exportxml', 'exportpost' =>
-                $this->_authorization->isAllowed('Magento_TaxImportExport::import_export'),
-            default =>
-                $this->_authorization->isAllowed(self::ADMIN_RESOURCE),
-        };
-    }
 }