ledger-tool: Make blockstore slot functional with no tx metadata #9360

Job	Run time
check	4m 6s
cargo-test-sbf (token/program)	7m 21s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	17m 19s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	16m 16s
test (single-pool/cli, single-pool/program)	16m 56s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	7m 59s
test (token-upgrade/cli, token-upgrade/program)	12m 28s
cargo-test-sbf (token-upgrade/program)	9m 32s
cargo-test-sbf (feature-proposal/program)	7m 55s
cargo-test-sbf (governance/addin-mock/program, governance/program)	11m 4s
cargo-test-sbf (memo/program)	10m 12s
cargo-test-sbf (name-service/program)	9m 1s
cargo-test-sbf (stake-pool/program)	10m 23s
cargo-test-sbf (single-pool/program)	8m 21s
	2h 28m 53s

Provide feedback