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 https://github.com/woocommerce/woocommerce/issues/46309 , where some possible solutions are being discussed.

[frosso]

This will be fixed by https://github.com/Automattic/woocommerce-payments/issues/8525