chore: refactor ACIR function IDs from raw integers to struct #11039

Job	Run time
build-acvm-js	1m 20s
build-noirc-abi	1m 40s
build-noir-wasm	3m 52s
build-nargo	2m 46s
ACVM JS (Browser)	1m 11s
ACVM JS (Node.js)	33s
noirc_abi	1m 15s
Check external repo - zac-williamson/noir-edwards	7s
Example scripts	13s
Noir JS	1m 13s
noir_codegen	1m 8s
noir_wasm	2m 17s
Integration Tests (Node)	2m 33s
Integration Tests (Browser)	2m 10s
End	1s
	22m 19s

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