Reject unsupported identity transform types #8940

Job	Run time
integration-test-adls	1m 45s
integration-test	10m 59s
cibw-dev-env-smoke-test	31s
lint-and-unit-test (3.12)	2m 59s
integration-test-s3	1m 8s
lint-and-unit-test (3.14)	2m 29s
lint-and-unit-test (3.13)	3m 2s
lint-and-unit-test (3.10)	3m 14s
lint-and-unit-test (3.11)	2m 54s
integration-test-gcs	1m 15s
integration-coverage-report	35s
	30m 51s

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