[Staking] Currency <> Fungible migration #7003

Job	Run time
preflight / preflight	43s
preflight / ci-versions	59s
cargo-check-benches (master)	5m 49s
cargo-check-benches (current)	5m 49s
cargo-check-all-crate-macos	7m 38s
test-frame-ui	5m 43s
test-full-crypto-feature	2m 40s
cargo-check-each-crate (1)	5m 47s
cargo-check-each-crate (2)	5m 48s
test-node-metrics	5m 45s
cargo-check-each-crate (3)	5m 44s
cargo-check-each-crate (4)	5m 46s
cargo-check-each-crate (5)	5m 43s
cargo-check-each-crate (6)	5m 43s
cargo-check-each-crate (7)	5m 43s
test-frame-examples-compile-to-wasm	2m 44s
test-deterministic-wasm	1s
check-tracing	1s
check-metadata-hash	1s
node-bench-regression-guard	1s
All test misc tests passed	1s
	1h 18m 9s

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