[pallet-revive] Fix assertion message #26220

Job	Run time
isdraft / isdraft	4s
preflight / preflight	47s
preflight / ci-versions	58s
build (polkadot-availability-recovery, availability-recovery-regression-bench)	6m 52s
build (polkadot-availability-distribution, availability-distribution-regression-bench)	4m 37s
build (polkadot-node-core-approval-voting, approval-voting-regression-bench)	22m 21s
build (polkadot-node-core-dispute-coordinator, dispute-coordinator-regression-bench)	28m 35s
build (polkadot-statement-distribution, statement-distribution-regression-bench)	3m 50s
publish-benchmarks	-1s
	1h 8m 3s

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