Пользовательский атрибут не отображается в списке адресов с одним шагом оформления заказа

Показать пользовательский атрибут «провинция». Значение сохраняется в таблицах «customer_address», «quote_address» и «sales_order_address».

setup> Upgrade.php
защищенная функция _addAttributes ($ setup)
{

    $customerSetup = $this->customerSetupFactory->create(['setup' => $setup]);

$customerSetup->addAttribute('customer_address', 'province', [
'label' => 'Province',
'input' => 'text',
'type' => 'varchar',
'source' => '',
'required' => false,
'position' => 333,
'visible' => true,
'system' => false,
'is_used_in_grid' => false,
'is_visible_in_grid' => false,
'is_filterable_in_grid' => false,
'is_searchable_in_grid' => false,
'backend' => '',
'comment' => 'Province'
]);$attribute = $customerSetup->getEavConfig()->getAttribute('customer_address', 'province')
->addData(['used_in_forms' => [
'customer_register_address',
'customer_account_create',
'adminhtml_customer_address',
'customer_account_edit',
'adminhtml_customer',
'adminhtml_checkout',
'checkout_register',
]]);
$attribute->save();

$setup->getConnection()->addColumn(
$setup->getTable('quote_address'),
'province',
[
'type' => 'text',
'length' => 255,
'comment' => 'Province'
]
);

$setup->getConnection()->addColumn(
$setup->getTable('sales_order_address'),
'province',
[
'type' => 'text',
'length' => 255,
'comment' => 'Province'
]
);

$setup->endSetup();
}

fieldset.xml

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:DataObject/etc/fieldset.xsd">
<scope id="global">
<fieldset id="customer_address">
<field name="province">
<aspect name="to_quote_address" />
</field>
</fieldset>
<fieldset id="sales_convert_quote_address">
<field name="extension_attributes">
<aspect name="to_customer_address" />
<aspect name="to_order_address" />
</field>
</fieldset>
<fieldset id="sales_convert_order_address">
<field name="extension_attributes">
<aspect name="to_quote_address" />
</field>
</fieldset>
</scope>

Наблюдатель создан для добавления атрибута в коллекцию:

<?xml version="1.0"?>
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">

<event name="sales_quote_address_save_after">
<observer name="iversa_customaddress_observer_address" instance="Iversa\CustomAddress\Observer\Address" />
</event>
<event name="sales_order_address_save_after">
<observer name="iversa_customaddress_observer_address" instance="Iversa\CustomAddress\Observer\Order\Address" shared="false" />
</event>
<event name="sales_quote_address_collection_load_before">
<observer name="iversa_customaddress_observer_addresscollectionload" instance="Iversa\CustomAddress\Observer\AddressCollectionLoad" shared="false" />
</event>
<event name="sales_order_address_collection_load_before">
<observer name="iversa_customaddress_observer_order_addresscollectionload" instance="Iversa\CustomAddress\Observer\Order\AddressCollectionLoad" shared="false" />
</event>
</config>

У меня есть ссылка https://web4pro.net/blog-news/magento-2-add-custom-attribute-customers-address/ а также http://devdocs.magento.com/guides/v2.1/howdoi/checkout/checkout_new_field.html чтобы показать значение в адресе вышеперечисленного magento2. Также смотрите скриншот для того же.