title: Account checkout-fields not working in woocommerce
body: <p>I am designing my selected fields in woocommerce checkout-form although some work fine but the fields associated with account are not working properly. 
  I took help from <a href="https://stackoverflow.com/questions/31581310/wordpress-woocommerce-show-and-modify-account-fields-on-checkout-page">this</a> answer but still account fields didn't load properly.
  <a href="https://i.stack.imgur.com/q0Gf8.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/q0Gf8.png" alt="enter image description here"></a></p>
  
  <p>I am using this code for generating these fields in form-billing.php</p>
  
  <pre><code>woocommerce_form_field( 'account_username', $checkout-&gt;checkout_fields['account']['account_username'],
            $checkout-&gt;get_value( 'account_username') );
  
  woocommerce_form_field( 'account_password', $checkout-&gt;checkout_fields['account']['account_password'],
            $checkout-&gt;get_value( 'account_password') );
  
  woocommerce_form_field( 'account_password-2', $checkout-&gt;checkout_fields['account']['account_password-2'], $checkout-&gt;get_value( 'account_password-2') );
  </code></pre>
  
  <p>any help would be appreciated. :)</p>