Add 'locale' to list of customer meta keys, and update expected type for 'object' for gateways, products, and shipping zones to fix some API issues.

includes/api/class-wc-rest-payment-gateways-controller.php

@@ -377,7 +377,7 @@ class WC_REST_Payment_Gateways_Controller extends WC_REST_Controller {
 				),
 				'settings' => array(
 					'description' => __( 'Payment gateway settings.', 'woocommerce' ),
-					'type'        => 'array',
+					'type'        => 'object',
 					'context'     => array( 'view', 'edit' ),
 				),
 			),

includes/api/class-wc-rest-products-controller.php

@@ -2122,7 +2122,7 @@ class WC_REST_Products_Controller extends WC_REST_Posts_Controller {
 				),
 				'images' => array(
 					'description' => __( 'List of images.', 'woocommerce' ),
-					'type'        => 'array',
+					'type'        => 'object',
 					'context'     => array( 'view', 'edit' ),
 					'items'       => array(
 						'type'       => 'object',

includes/api/class-wc-rest-shipping-zone-methods-controller.php

@@ -453,7 +453,7 @@ class WC_REST_Shipping_Zone_Methods_Controller extends WC_REST_Shipping_Zones_Co
 				),
 				'settings' => array(
 					'description' => __( 'Shipping method settings.', 'woocommerce' ),
-					'type'        => 'array',
+					'type'        => 'object',
 					'context'     => array( 'view', 'edit' ),
 				),
 			),

includes/data-stores/class-wc-customer-data-store.php

@@ -19,6 +19,7 @@ class WC_Customer_Data_Store extends WC_Data_Store_WP implements WC_Customer_Dat
 	 * @var array
 	 */
 	protected $internal_meta_keys = array(
+		'locale',
 		'billing_postcode',
 		'billing_city',
 		'billing_address_1',