fix(auth): custom `userPoolEndpoint` cannot be applied on the server-side #5715

Job	Run time
prebuild	3m 14s
dependency-review / Dependency Review	8s
license-test / License tests	1m 13s
bundle-size-tests / Bundle size tests	1m 38s
github-actions-test / Github Action format test	24s
tsc-compliance-test / TSC Compliance Test	37s
unit-tests / get-package-list / Get packages list	6s
unit-tests / Unit Test - @aws-amplify/adapter-nextjs	49s
unit-tests / Unit Test - @aws-amplify/analytics	52s
unit-tests / Unit Test - @aws-amplify/api	43s
unit-tests / Unit Test - @aws-amplify/api-graphql	58s
unit-tests / Unit Test - @aws-amplify/api-rest	42s
unit-tests / Unit Test - @aws-amplify/auth	2m 7s
unit-tests / Unit Test - aws-amplify	1m 4s
unit-tests / Unit Test - @aws-amplify/core	1m 17s
unit-tests / Unit Test - @aws-amplify/datastore	3m 59s
unit-tests / Unit Test - @aws-amplify/datastore-storage-adapter	1m 1s
unit-tests / Unit Test - @aws-amplify/geo	40s
unit-tests / Unit Test - @aws-amplify/interactions	46s
unit-tests / Unit Test - @aws-amplify/notifications	1m 18s
unit-tests / Unit Test - @aws-amplify/predictions	49s
unit-tests / Unit Test - @aws-amplify/pubsub	39s
unit-tests / Unit Test - @aws-amplify/react-native	25s
unit-tests / Unit Test - @aws-amplify/rtn-push-notification	34s
unit-tests / Unit Test - @aws-amplify/rtn-web-browser	23s
unit-tests / Unit Test - @aws-amplify/storage	1m 6s
Unit and Bundle tests have passed	1s
ci - Unit and Bundle tests have passed	1s
	27m 34s

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