feat: add user name to woocommerce data events (#3473)

* feat: add user name to woocommerce data events

* fix: use correct object

includes/data-events/class-utils.php

@@ -63,6 +63,8 @@ public static function get_order_data( $order_id, $process_donations_only = fals
 				'product_id' => $product_id,
 				'client_id'  => $order->get_meta( NEWSPACK_CLIENT_ID_COOKIE_NAME ),
 			],
+			'user_first_name' => $order->get_billing_first_name(),
+			'user_last_name'  => $order->get_billing_last_name(),
 		];
 	}
 
@@ -85,6 +87,8 @@ public static function get_recurring_donation_data( $subscription ) {
 			'currency'        => $subscription->get_currency(),
 			'recurrence'      => empty( $recurrence ) ? 'once' : $recurrence,
 			'platform'        => \Newspack\Donations::get_platform_slug(),
+			'user_first_name' => $subscription->get_billing_first_name(),
+			'user_last_name'  => $subscription->get_billing_last_name(),
 		];
 	}
 }