5.15.1

Included commits: 5.15.0...5.15.1

Fixes

• Adjusted PaymentClient::authorizeForeignPayment() so it keeps X-Store-Reference headers in the authorization request when Dynamic Multi Store functionality is enabled.
• Impacted PaymentFacade::initForeignPaymentForCheckoutProcess() with client changes.
• Impacted PaymentAuthorizationCheckoutPostSavePlugin with facade changes.