Introduce SchedulingStateMachine for unified scheduler [NO-MERGE&REVIEW-ONLY-MODE] #8038

Job	Run time
test	0s
cargo-test-sbf (token/program)	8m 36s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	14m 25s
check	0s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	7m 29s
cargo-test-sbf (token-upgrade/program)	6m 3s
cargo-test-sbf (feature-proposal/program)	6m 20s
cargo-test-sbf (governance/addin-mock/program, governance/program)	10m 59s
cargo-test-sbf (memo/program)	7m 30s
cargo-test-sbf (name-service/program)	5m 57s
cargo-test-sbf (stake-pool/program)	11m 1s
cargo-test-sbf (single-pool/program)	8m 48s
	1h 27m 8s

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