Correctly implement WasmSnapshotter #596

Job	Run time
build-deb-testnet (goleveldb)	14m 18s
build-deb-testnet-2004 (goleveldb)	13m 40s
native-build-cli (ubuntu-22.04)	2m 56s
native-build-cli (windows-latest)	8m 56s
native-build-cli (macos-13)	3m 37s
build-deb-mainnet (goleveldb)	11m 44s
check-hw-tool	5m 40s
MacOS-ARM64-CLI	3m 8s
Lib-Checks	9s
publish-localsecret	10m 48s
Ubuntu-2004-CLI	2m 39s
Release	32s
	1h 18m 7s

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