Fixes insert_trait_implementaion for nested generics. #23074

Job	Run time
build-sway-examples	1m 2s
build-sway-lib-core	2m 21s
build-sway-lib-std	55s
get-fuel-core-version	33s
build-reference-examples	1m 17s
forc-fmt-check-sway-lib-core	1m 0s
forc-fmt-check-sway-lib-std	55s
build-forc-doc-sway-lib-std	1m 33s
build-forc-test-project	11m 20s
cargo-build-workspace	2m 5s
build-mdbook	7m 57s
cargo-clippy	48s
check-sdk-harness-test-suite-compatibility	25s
forc-fmt-check-panic	1m 47s
forc-fmt-check-sway-examples	48s
cargo-fmt-check	15s
cargo-run-e2e-test-evm	4m 41s
cargo-test-lib-std	6m 12s
forc-pkg-fuels-deps-check	15s
cargo-toml-fmt-check	12s
forc-run-benchmarks	3m 43s
forc-unit-tests	7m 4s
cargo-test-forc	2m 1s
cargo-test-workspace	4m 13s
cargo-test-sway-lsp	7m 28s
cargo-unused-deps-check	4m 23s
pre-publish-check	0s
cargo-run-e2e-test-release	19m 27s
cargo-run-e2e-test	14m 35s
cargo-test-forc-debug	7m 3s
cargo-test-forc-client	8m 19s
notify-slack-on-failure	6s
build-publish-master-image	0s
publish	0s
build-publish-release-image	0s
Build and upload forc binaries to release	0s
verifications-complete	0s
	2h 4m 43s

Provide feedback