fix(api-graphql): generate client.models has no properties #4128

Job	Run time
prebuild	3m 13s
github-actions-test / Github Action format test	29s
license-test / License tests	24s
dependency-review / Dependency Review	8s
bundle-size-tests / Bundle size tests	1m 39s
tsc-compliance-test / TSC Compliance Test	30s
unit-tests / get-package-list / Get packages list	1m 30s
unit-tests / Unit Test - @aws-amplify/adapter-nextjs	1m 1s
unit-tests / Unit Test - @aws-amplify/analytics	56s
unit-tests / Unit Test - @aws-amplify/api	42s
unit-tests / Unit Test - @aws-amplify/api-graphql	1m 3s
unit-tests / Unit Test - @aws-amplify/api-rest	40s
unit-tests / Unit Test - @aws-amplify/auth	2m 7s
unit-tests / Unit Test - aws-amplify	54s
unit-tests / Unit Test - @aws-amplify/core	1m 14s
unit-tests / Unit Test - @aws-amplify/datastore	5m 2s
unit-tests / Unit Test - @aws-amplify/datastore-storage-adapter	53s
unit-tests / Unit Test - @aws-amplify/geo	41s
unit-tests / Unit Test - @aws-amplify/interactions	42s
unit-tests / Unit Test - @aws-amplify/notifications	1m 12s
unit-tests / Unit Test - @aws-amplify/predictions	43s
unit-tests / Unit Test - @aws-amplify/pubsub	45s
unit-tests / Unit Test - @aws-amplify/react-native	30s
unit-tests / Unit Test - @aws-amplify/rtn-push-notification	41s
unit-tests / Unit Test - @aws-amplify/rtn-web-browser	33s
unit-tests / Unit Test - @aws-amplify/storage	53s
Unit and Bundle tests have passed	1s
ci - Unit and Bundle tests have passed	1s
	29m 7s

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