Optimization: Prune manifest in snapshot overwrite operations #7824

Job	Run time
integration-test-s3	1m 7s
integration-test	11m 4s
integration-test-gcs	1m 15s
integration-test-adls	1m 11s
lint-and-unit-test (3.12)	2m 46s
lint-and-unit-test (3.10)	2m 58s
lint-and-unit-test (3.11)	2m 49s
lint-and-unit-test (3.13)	2m 47s
integration-coverage-report	29s
	26m 26s

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