fix fallback compilation on new encoding (#6998) #23767

Job	Run time
build-sway-lib-core	3m 8s
build-sway-lib-std	3m 5s
get-fuel-core-version	36s
build-reference-examples	5m 4s
build-sway-examples	2m 48s
forc-fmt-check-sway-lib-core	2m 45s
check-sdk-harness-test-suite-compatibility	38s
forc-fmt-check-panic	4m 20s
forc-fmt-check-sway-lib-std	2m 6s
forc-fmt-check-sway-examples	1m 59s
build-forc-doc-sway-lib-std	6m 20s
build-forc-test-project	14m 19s
build-mdbook	9m 32s
cargo-build-workspace	3m 31s
cargo-clippy	2m 48s
cargo-fmt-check	14s
cargo-toml-fmt-check	15s
cargo-run-e2e-test-evm	11m 43s
cargo-test-forc	6m 54s
cargo-test-lib-std	12m 7s
cargo-test-sway-lsp	10m 15s
cargo-test-workspace	9m 34s
forc-pkg-fuels-deps-check	24s
forc-run-benchmarks	5m 45s
forc-unit-tests	11m 17s
cargo-unused-deps-check	5m 43s
pre-publish-check	0s
cargo-test-forc-debug	8m 42s
cargo-run-e2e-test	15m 31s
cargo-run-e2e-test-release	20m 43s
cargo-test-forc-client	10m 1s
cargo-test-forc-node	2m 4s
notify-slack-on-failure	1s
build-publish-master-image	7m 2s
publish	0s
build-publish-release-image	0s
Build and upload forc binaries to release	0s
verifications-complete	0s
	3h 21m 14s

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