zcash_client_backend: Require the tree state for the start of each sc… #2624

Job	Run time
Build target wasm32-wasi	2m 33s
Bitrot check	3m 1s
Latest build on ubuntu-latest	1m 20s
Check ZFuture build on Linux	25s
Latest build on windows-latest	3m 51s
Clippy (MSRV)	3m 17s
Check ZFuture build on macOS	51s
Latest build on macOS-latest	2m 57s
Check ZFuture build on Windows	1m 12s
Clippy (beta)	14s
Code coverage	18m 37s
Intra-doc links	3m 43s
protobuf consistency	2m 52s
Rustfmt	13s
Test on Linux	1s
Test Orchard on Linux	1s
UUID validity	6s
Test NU6 on Linux	1s
Test on macOS	13m 51s
Test Orchard on macOS	12m 46s
Test on Windows	1s
Test Orchard on Windows	1s
Test NU6 on Windows	1s
	1h 11m 55s

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