modify geyser account iter at snapshot load #3096

Job	Run time
cargo-test-sbf (token/program)	8m 49s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	15m 9s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 55s
cargo-test-sbf (token-upgrade/program)	8m 23s
check	0s
cargo-test-sbf (feature-proposal/program)	8m 48s
cargo-test-sbf (governance/addin-mock/program, governance/program)	12m 40s
cargo-test-sbf (memo/program)	9m 22s
test	0s
cargo-test-sbf (name-service/program)	8m 13s
cargo-test-sbf (stake-pool/program)	11m 35s
cargo-test-sbf (single-pool/program)	9m 47s
	1h 43m 41s

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