fix(storage): nextToken is not surfaced when list result contain only CommonPrefix #6018

Job	Run time
prebuild	3m 30s
license-test / License tests	28s
bundle-size-tests / Bundle size tests	1m 40s
github-actions-test / Github Action format test	26s
dependency-review / Dependency Review	4s
tsc-compliance-test / TSC Compliance Test	36s
unit-tests / get-package-list / Get packages list	7s
unit-tests / Unit Test - @aws-amplify/adapter-nextjs	52s
unit-tests / Unit Test - @aws-amplify/analytics	57s
unit-tests / Unit Test - @aws-amplify/api	51s
unit-tests / Unit Test - @aws-amplify/api-graphql	1m 1s
unit-tests / Unit Test - @aws-amplify/api-rest	44s
unit-tests / Unit Test - @aws-amplify/auth	1m 52s
unit-tests / Unit Test - aws-amplify	1m 8s
unit-tests / Unit Test - @aws-amplify/core	1m 26s
unit-tests / Unit Test - @aws-amplify/datastore	3m 53s
unit-tests / Unit Test - @aws-amplify/datastore-storage-adapter	1m 6s
unit-tests / Unit Test - @aws-amplify/geo	45s
unit-tests / Unit Test - @aws-amplify/interactions	45s
unit-tests / Unit Test - @aws-amplify/notifications	1m 14s
unit-tests / Unit Test - @aws-amplify/predictions	49s
unit-tests / Unit Test - @aws-amplify/pubsub	42s
unit-tests / Unit Test - @aws-amplify/react-native	34s
unit-tests / Unit Test - @aws-amplify/rtn-push-notification	38s
unit-tests / Unit Test - @aws-amplify/rtn-web-browser	31s
unit-tests / Unit Test - @aws-amplify/storage	1m 9s
Unit and Bundle tests have passed	1s
ci - Unit and Bundle tests have passed	1s
	27m 50s

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