fix: allow function calls in global definitions #3684

Job	Run time
build-nargo	2m 28s
build-noirc-abi	2m 30s
build-acvm-js	2m 25s
build-noir-wasm	2m 29s
ACVM JS (Node.js)	37s
ACVM JS (Browser)	1m 12s
noir_wasm	1m 10s
Noir JS	1m 45s
noir-js-backend-barretenberg	51s
noirc_abi	52s
noir_codegen	59s
Integration Tests (Browser)	5m 16s
Integration Tests (Node)	5m 15s
End	1s
	27m 50s

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