fix(adapter-nextjs): make createAuthRouteHandlers interface work in both App and Pages routers #5896

Job	Run time
prebuild	3m 26s
github-actions-test / Github Action format test	25s
bundle-size-tests / Bundle size tests	1m 47s
license-test / License tests	24s
dependency-review / Dependency Review	5s
tsc-compliance-test / TSC Compliance Test	33s
unit-tests / get-package-list / Get packages list	6s
unit-tests / Unit Test - @aws-amplify/adapter-nextjs	1m 22s
unit-tests / Unit Test - @aws-amplify/analytics	54s
unit-tests / Unit Test - @aws-amplify/api	39s
unit-tests / Unit Test - @aws-amplify/api-graphql	55s
unit-tests / Unit Test - @aws-amplify/api-rest	41s
unit-tests / Unit Test - @aws-amplify/auth	1m 57s
unit-tests / Unit Test - aws-amplify	1m 0s
unit-tests / Unit Test - @aws-amplify/core	1m 18s
unit-tests / Unit Test - @aws-amplify/datastore	3m 51s
unit-tests / Unit Test - @aws-amplify/datastore-storage-adapter	57s
unit-tests / Unit Test - @aws-amplify/geo	44s
unit-tests / Unit Test - @aws-amplify/interactions	43s
unit-tests / Unit Test - @aws-amplify/notifications	1m 15s
unit-tests / Unit Test - @aws-amplify/predictions	50s
unit-tests / Unit Test - @aws-amplify/pubsub	50s
unit-tests / Unit Test - @aws-amplify/react-native	38s
unit-tests / Unit Test - @aws-amplify/rtn-push-notification	51s
unit-tests / Unit Test - @aws-amplify/rtn-web-browser	33s
unit-tests / Unit Test - @aws-amplify/storage	1m 8s
Unit and Bundle tests have passed	1s
ci - Unit and Bundle tests have passed	1s
	27m 54s

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