[pallet-revive] use evm decimals in call host fn #13829

Job	Run time
check-dependency-rules	9s
check-markdown	15s
check-workspace	17s
check-fail-ci	10s
check-readme	3m 5s
preflight / preflight	44s
preflight / ci-versions	1m 1s
fmt	1m 8s
check-rust-feature-propagation	2m 26s
check-toml-format	1m 0s
check-umbrella	2m 30s
test-rust-features	2m 18s
All quick checks passed	1s
	15m 4s

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