Rust

Add hash method to ExtrinsicDetails #4911

Job	Run time
Cargo fmt	9s
Check unused dependencies	24s
Cargo clippy (WASM)	42s
Cargo check	6m 35s
Cargo clippy	5m 45s
Check documentation and run doc tests	6m 27s
Cargo check (WASM)	1m 34s
Test (no_std)	2m 46s
Test (Native)	10m 21s
Test (WASM)	6m 5s
Test (Unstable Backend)	10m 14s
Test (Light Client)	2m 59s
	54m 1s

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