title: Woocommerce, Order Meta with Email
body: <p>I can't figure out with this problem: when woocommerce sends the order processing mail to custumer, customer's meta properties are valorized in the $order object, and the valorization is done by the execution of the action woocommerce_email_order_meta (at least, I suppose):</p>
  
  <pre><code>do_action( 'woocommerce_email_order_meta', $order, $sent_to_admin, $plain_text );
  </code></pre>
  
  <p>All fine with that, but when I want to create a custom template for that email, no meta values will be displayed in the result, although the same invokation.</p>
  
  <p>I've checked the parameter values passed to the "woocommerce_email_order_meta" invokation (that routes to the order_meta() function in plugins/woocommerce/includes/class-wc-emails.php) of my costum template, and those values are the same.</p>
  
  <p>Neither debugging the order_meta() function in both cases gave me clues, the function's behavior is always the same, but the result in the mail is different. So... what can I do for insert order meta info in this mail?</p>
  
  <p>Sorry if this question is a duplicate and for my bad english.</p>
  
  <p>Thanks in advance if you can help me with this issue.</p>