Optimization: Prune manifest in snapshot overwrite operations #7673

Job	Run time
integration-test-s3	1m 15s
integration-test-gcs	1m 15s
lint-and-unit-test (3.12)	3m 32s
integration-test	10m 25s
integration-test-adls	1m 21s
lint-and-unit-test (3.10)	2m 54s
lint-and-unit-test (3.11)	2m 50s
lint-and-unit-test (3.13)	2m 58s
integration-coverage-report	32s
	27m 2s

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