pallet-message-queue: Fix max message size calculation (#6205) #70

Job	Run time
preflight / preflight	8s
preflight / ci-versions	1m 23s
test-full-crypto-feature	3m 26s
test-node-metrics	10m 0s
cargo-check-each-crate (1)	24m 30s
test-frame-ui	47m 46s
cargo-check-each-crate (2)	19m 48s
cargo-check-each-crate (3)	8m 46s
cargo-check-all-crate-macos	1s
cargo-check-each-crate (4)	18m 46s
cargo-check-benches	0s
cargo-check-each-crate (5)	33m 56s
cargo-check-each-crate (6)	21m 11s
cargo-check-each-crate (7)	33m 5s
node-bench-regression-guard	7s
test-frame-examples-compile-to-wasm	2m 58s
test-deterministic-wasm	6m 32s
check-tracing	2m 23s
check-metadata-hash	6m 3s
All test misc tests passed	1s
	4h 0m 50s

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