Fix statement distribution benchmark #5076

Job	Run time
preflight / preflight	43s
preflight / ci-versions	1m 6s
test-frame-ui	46m 4s
cargo-check-benches (master)	20m 56s
cargo-check-benches (current)	21m 27s
cargo-check-each-crate (1)	18m 52s
cargo-check-all-crate-macos	12m 11s
cargo-check-each-crate (2)	19m 0s
test-full-crypto-feature	2m 36s
cargo-check-each-crate (3)	8m 32s
test-node-metrics	8m 24s
cargo-check-each-crate (4)	16m 55s
cargo-check-each-crate (5)	23m 53s
cargo-check-each-crate (6)	14m 40s
cargo-check-each-crate (7)	31m 24s
test-frame-examples-compile-to-wasm	3m 0s
test-deterministic-wasm	6m 20s
check-tracing	2m 24s
check-metadata-hash	6m 16s
node-bench-regression-guard	17s
All test misc tests passed	1s
	4h 25m 1s

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