fix(frontend): Call trait method with mut self from generic definition #7034

Job	Run time
build-noir-wasm	3m 39s
build-acvm-js	1m 36s
build-nargo	2m 33s
build-noirc-abi	2m 8s
ACVM JS (Node.js)	34s
ACVM JS (Browser)	1m 47s
noir-js-backend-barretenberg	48s
noirc_abi	1m 33s
noir_codegen	59s
Noir JS	1m 34s
Integration Tests (Browser)	6m 6s
Integration Tests (Node)	3m 34s
noir_wasm	1m 57s
End	1s
	28m 49s

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