Order origin with ApplePay/GooglePay

[frosso]

Description

When an order is placed via Google Pay/Apple Pay, it looks like the "Origin" UTM data is Unknown.

Acceptance criteria

• UTM data is correctly populated for orders placed via PRBs

Designs

N/A

Testing instructions

• Navigate to WooCommerce > Settings > Advanced > Features and ensure the "Order Attribution" feature is available, and enabled

- Open an incognito window, enter your shop's URL with appended the `utm_source=Facebook` query string parameter (e.g.: `https://wcpay.test/shop/?utm_source=Facebook`) - Add a product to the cart, place the order with GooglePay/ApplePay - Navigate to the order's page in WC Admin - The "Source" should be `Facebook`

Dev notes

Additional context

Seems to be similar to woocommerce/woocommerce#46309 , where some possible solutions are being discussed.