BlockId removal: refactor: BlockBackend::block|block_status (#6477)

* BlockId removal: refactor: BlockBackend::block|block_status

It changes the arguments of:
-  `BlockBackend::block`
-  `BlockBackend::block_status`

method from: `BlockId<Block>` to: `Block::Hash`

This PR is part of BlockId::Number refactoring analysis (paritytech/substrate#11292)

* update lockfile for {"substrate"}

* ".git/.scripts/fmt.sh"

Co-authored-by: parity-processbot <>