change Erlang code generation #12679

Job	Run time
lint-build	1m 5s
validate	24s
rustfmt	15s
test-wasm	1m 46s
test (stable, aarch64-unknown-linux-musl)	4m 32s
test (stable, aarch64-apple-darwin, macos-latest, arm64, cargo, true)	5m 4s
test (stable, aarch64-unknown-linux-gnu)	3m 35s
test (stable, x86_64-apple-darwin)	15m 50s
test (stable, x86_64-unknown-linux-gnu)	3m 5s
test (stable, x86_64-pc-windows-msvc)	5m 32s
test (stable, x86_64-unknown-linux-musl)	6m 21s
test-projects	3m 10s
	50m 39s

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