chore: create parser specifically for function visibility #4389

Job	Run time
build-nargo	2m 11s
build-noirc-abi	2m 21s
build-noir-wasm	2m 33s
build-acvm-js	2m 26s
noir-js-backend-barretenberg	44s
noirc_abi	42s
ACVM JS (Browser)	3m 1s
Noir JS	1m 33s
ACVM JS (Node.js)	42s
noir_codegen	56s
Integration Tests (Browser)	5m 12s
Integration Tests (Node)	5m 27s
noir_wasm	1m 12s
End	1s
	29m 1s

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