BlockId removal: &Hash to Hash (#12626)

It changes &Block::Hash argument to Block::Hash.

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

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

@@ -203,7 +203,7 @@ impl<B: BlockT> BitswapRequestHandler<B> {
 
 			let mut hash = B::Hash::default();
 			hash.as_mut().copy_from_slice(&cid.hash().digest()[0..32]);
-			let transaction = match self.client.indexed_transaction(&hash) {
+			let transaction = match self.client.indexed_transaction(hash) {
 				Ok(ex) => ex,
 				Err(e) => {
 					error!(target: LOG_TARGET, "Error retrieving transaction {}: {}", hash, e);