message: FastBoot environment uses SSR_WEB_ENVIRONMENT variable to distinguish between staging/prod links
diff: @@ -22,8 +22,9 @@ module.exports = function (environment) {
  locationType: 'auto',
  hubURL: process.env.HUB_URL,
  universalLinkDomain:
  - universalLinkHostnamesByTarget[process.env.DEPLOY_TARGET] ??
  - MERCHANT_PAYMENT_UNIVERSAL_LINK_STAGING_HOSTNAME,
  + universalLinkHostnamesByTarget[
  + process.env.DEPLOY_TARGET || process.env.SSR_WEB_ENVIRONMENT // front-end uses DEPLOY_TARGET, fastboot uses SSR_WEB_ENVIRONMENT
  + ] ?? MERCHANT_PAYMENT_UNIVERSAL_LINK_STAGING_HOSTNAME,
  version: pkg.version,
  sentryDsn: process.env.SENTRY_DSN,
  '@sentry/ember': {
  