fix: homogeneous input points for EC ADD #13903

Job	Run time
build-acvm-js	1m 35s
build-nargo	2m 21s
build-noirc-abi	1m 29s
build-noir-wasm	3m 51s
noirc_abi	1m 38s
ACVM JS (Node.js)	36s
ACVM JS (Browser)	1m 35s
noir_codegen	1m 8s
Noir JS	1m 19s
Example scripts	12s
Check external repo - ${{ matrix.project.repo }}	0s
Integration Tests (Node)	2m 27s
Integration Tests (Browser)	1m 51s
noir_wasm	1m 52s
End	1s
	21m 55s

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