fix(acir_gen): Nested dynamic array initialization #11333

Job	Run time
build-noirc-abi	1m 34s
build-nargo	2m 51s
build-acvm-js	1m 20s
build-noir-wasm	10m 11s
ACVM JS (Browser)	1m 39s
ACVM JS (Node.js)	35s
noirc_abi	1m 38s
Example scripts	13s
noir_codegen	1m 8s
Check external repo - zac-williamson/noir-edwards	8s
Noir JS	1m 12s
Integration Tests (Browser)	1m 58s
Integration Tests (Node)	2m 30s
noir_wasm	2m 13s
End	1s
	29m 11s

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