Added extract constant code action #8528

Job	Run time
validate	21s
test (stable, x86_64-unknown-linux-gnu)	3m 40s
test (stable, x86_64-unknown-linux-musl)	4m 15s
rustfmt	18s
test-wasm	1m 26s
test (stable, aarch64-unknown-linux-gnu)	2m 13s
test (stable, aarch64-unknown-linux-musl)	2m 34s
lint-build	28s
test (stable, x86_64-apple-darwin)	7m 9s
test (stable, x86_64-pc-windows-msvc)	6m 12s
test (stable, aarch64-apple-darwin, macos-latest, arm64, cargo, true)	3m 31s
test-projects	0s
	32m 7s

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