Refactor: seamless `unstable` to `stable` transition in WASM client #6894

Job	Run time
build-open-api-ui	12s
build (macos-12)	3m 18s
build (macos-14)	1m 31s
build-docusaurus	1m 45s
build-test-wasm	1m 21s
build (windows-latest)	4m 29s
build-ubuntu-X64	5m 12s
cargo-doc	43s
check	1m 13s
test (ubuntu-22.04)	6m 39s
test (macos-12)	1m 42s
test (macos-14)	1m 31s
test (windows-latest)	4m 8s
publish-wasm-test (mithril-client-wasm)	1m 4s
build-test-explorer	54s
publish-docs	0s
e2e (std, thales, 9.0.0, 0, #1)	1m 19s
e2e (std, thales, 9.0.0, 0, #2)	1m 14s
e2e (std, thales, 9.1.0, 0, #1)	1m 22s
e2e (std, thales, 9.1.0, 0, #2)	1m 14s
e2e (std, thales, 9.1.1, 0, #1)	1m 15s
e2e (std, thales, 9.1.1, 0, #2)	1m 14s
e2e (p2p, thales, 9.1.1, 0, #1, --use-p2p-network)	1m 15s
send-tests-results	14s
docker-mithril (mithril-aggregator)	29s
docker-mithril (mithril-client-cli)	16s
publish-crate-test (mithril-stm)	7s
docker-mithril (mithril-signer)	17s
publish-crate-test (mithril-build-script)	6s
docker-mithril (mithril-relay)	24s
publish-crate-test (mithril-common)	6s
publish-crate-test (mithril-client)	8s
unstable-release	0s
deploy-testing (testing-preview)	28s
deploy-testing (testing-sanchonet)	24s
	47m 34s

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