Introduce and Implement `VestedTransfer` Trait #2585

Job	Run time
preflight / preflight	45s
preflight / ci-versions	1m 4s
cargo-check-benches (master)	26m 19s
cargo-check-benches (current)	30m 33s
test-frame-ui	28m 5s
test-full-crypto-feature	2m 42s
cargo-check-each-crate (1)	40m 41s
cargo-check-each-crate (2)	35m 3s
cargo-check-all-crate-macos	11m 17s
cargo-check-each-crate (3)	14m 26s
test-node-metrics	13m 28s
cargo-check-each-crate (4)	32m 44s
cargo-check-each-crate (5)	37m 0s
cargo-check-each-crate (6)	20m 2s
cargo-check-each-crate (7)	42m 18s
test-frame-examples-compile-to-wasm	2m 55s
test-deterministic-wasm	8m 39s
check-tracing	2m 27s
check-metadata-hash	7m 34s
node-bench-regression-guard	12s
All test misc tests passed	1s
	5h 58m 15s

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