feat(storage): add new internal downloadData api #5942

Job	Run time
prebuild	3m 41s
license-test / License tests	30s
bundle-size-tests / Bundle size tests	1m 42s
github-actions-test / Github Action format test	31s
dependency-review / Dependency Review	6s
tsc-compliance-test / TSC Compliance Test	38s
unit-tests / get-package-list / Get packages list	7s
unit-tests / Unit Test - @aws-amplify/adapter-nextjs	55s
unit-tests / Unit Test - @aws-amplify/analytics	1m 7s
unit-tests / Unit Test - @aws-amplify/api	55s
unit-tests / Unit Test - @aws-amplify/api-graphql	54s
unit-tests / Unit Test - @aws-amplify/api-rest	46s
unit-tests / Unit Test - @aws-amplify/auth	1m 59s
unit-tests / Unit Test - aws-amplify	1m 10s
unit-tests / Unit Test - @aws-amplify/core	1m 24s
unit-tests / Unit Test - @aws-amplify/datastore	3m 48s
unit-tests / Unit Test - @aws-amplify/datastore-storage-adapter	1m 8s
unit-tests / Unit Test - @aws-amplify/geo	48s
unit-tests / Unit Test - @aws-amplify/interactions	53s
unit-tests / Unit Test - @aws-amplify/notifications	1m 14s
unit-tests / Unit Test - @aws-amplify/predictions	1m 1s
unit-tests / Unit Test - @aws-amplify/pubsub	46s
unit-tests / Unit Test - @aws-amplify/react-native	30s
unit-tests / Unit Test - @aws-amplify/rtn-push-notification	51s
unit-tests / Unit Test - @aws-amplify/rtn-web-browser	37s
unit-tests / Unit Test - @aws-amplify/storage	1m 29s
Unit and Bundle tests have passed	1s
ci - Unit and Bundle tests have passed	1s
	29m 32s

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