title: 'woocommerce_email_order_details' hook not returning order details in admin new order notification email
body: <p>I am using the standard unmodified 'New Order' template in WooCommerce. Astra theme and Elementor. The EMail is being sent correctly, but does not include order line items although the rest of the Email is formatted correctly. See image.</p>
  <p>Pretty sure it hasn't worked since installation. How should I fault find?</p>
  <pre><code>/*
   * @hooked WC_Emails::order_details() Shows the order details table.
   * @hooked WC_Structured_Data::generate_order_data() Generates structured data.
   * @hooked WC_Structured_Data::output_structured_data() Outputs structured data.
   * @since 2.5.0
   */
  
  do_action( 'woocommerce_email_order_details', $order, $sent_to_admin, $plain_text, $email );
  
  /*
   * @hooked WC_Emails::order_meta() Shows order meta data.
   */
  
  do_action( 'woocommerce_email_order_meta', $order, $sent_to_admin, $plain_text, $email );
  </code></pre>
  <p><a href="https://i.stack.imgur.com/lFsIF.png" rel="nofollow noreferrer">New Order Without Order Detail Lines</a></p>