Add experimental rule for Gopay appId override

[pbennett1-godaddy]

Summary

When a checkout session includes experimental_rules.gopay_override with enabled: true, the applicationId passed to all TokenizeJs instances is now overridden with the goPayAppId from that rule. This
allows GoPay to be used as the payment application without changing the existing godaddyPaymentsConfig.appId.

Changes

GraphQL Queries

• checkout-queries.ts / checkout-mutations.ts — Added gopay_override { enabled, goPayAppId } to the experimental_rules selection set so the override config is fetched from the session.

New Utility

• payment/utils/get-application-id.ts — Shared helper that resolves the applicationId for TokenizeJs. Returns goPayAppId when the override is enabled, otherwise falls back to the default
  godaddyPaymentsConfig.appId.

Changeset

• Changeset added (docs)

Test Plan

[changeset-bot]

🦋 Changeset detected

Latest commit: ae1f73b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@godaddy/react	Patch
nextjs	Patch

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