Fix offline wrapper signature by elsewho #1543

Job	Run time
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	3m 56s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 31s
changelog	16s
check-packages	5m 38s
build-binaries	11m 42s
rust-docs	6m 25s
lints	5m 39s
test-wasm	7m 30s
test-integration	22m 34s
check-benchmarks	11m 19s
test-unit	12m 36s
test-e2e-with-device-automation	9m 47s
test-e2e (0)	22m 40s
test-e2e (1)	19m 46s
test-e2e (2)	21m 38s
test-e2e (3)	21m 52s
test-e2e (4)	23m 54s
upload-coverage	10s
	3h 30m 53s

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