BlockId removal: refactor: Finalizer (#12528)

* BlockId removal: refactor: Finalizer

It changes the arguments of methods of `Finalizer` trait from:
block: `BlockId<Block>` to: hash: `&Block::Hash`

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

* minor corrections

* failing test corrected

* minor rework

substrate/client/network/test/src/lib.rs

@@ -190,11 +190,11 @@ impl PeersClient {
 
 	pub fn finalize_block(
 		&self,
-		id: BlockId<Block>,
+		hash: &<Block as BlockT>::Hash,
 		justification: Option<Justification>,
 		notify: bool,
 	) -> ClientResult<()> {
-		self.client.finalize_block(id, justification, notify)
+		self.client.finalize_block(hash, justification, notify)
 	}
 }
 
@@ -1113,7 +1113,7 @@ impl JustificationImport<Block> for ForceFinalized {
 		justification: Justification,
 	) -> Result<(), Self::Error> {
 		self.0
-			.finalize_block(BlockId::Hash(hash), Some(justification), true)
+			.finalize_block(&hash, Some(justification), true)
 			.map_err(|_| ConsensusError::InvalidJustification)
 	}
 }