chore: refactor stack_op #458

Job	Run time
Build wasm	1m 30s
Run tests on Linux x86 (stable, no default features)	46s
Run tests on macOS arm64 (Apple M1)	56s
Run tests on Linux x86 (nightly)	47s
Run tests on Linux x86 (stable)	46s
Run tests on Linux x86 (nightly, no default features)	47s
Run tests on Linux arm64	1m 0s
Run tests on Linux armv7	1m 1s
	7m 33s

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