fix(external-storage): correct the reference check #1231

Job	Run time
build-lint-test (3.14, windows-latest)	6m 54s
build-lint-test (3.14, ubuntu-latest)	6m 1s
build-lint-test (3.10, macos-intel)	13m 3s
build-lint-test (3.10, windows-latest)	6m 49s
build-lint-test (3.14, macos-intel)	9m 55s
build-lint-test (3.10, macos-arm)	7m 25s
build-lint-test (3.10, ubuntu-latest)	6m 2s
build-lint-test (3.14, macos-arm)	5m 51s
	1h 2m 0s

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