MMR: impl TypeInfo for some structures (#12423)

* BEEFY client: avoid unnecessary clone

* MMR: impl TypeInfo for some structures

substrate/client/beefy/rpc/src/lib.rs

@@ -84,7 +84,7 @@ impl From<Error> for JsonRpseeError {
 // Provides RPC methods for interacting with BEEFY.
 #[rpc(client, server)]
 pub trait BeefyApi<Notification, Hash> {
-	/// Returns the block most recently finalized by BEEFY, alongside side its justification.
+	/// Returns the block most recently finalized by BEEFY, alongside its justification.
 	#[subscription(
 		name = "beefy_subscribeJustifications" => "beefy_justifications",
 		unsubscribe = "beefy_unsubscribeJustifications",

substrate/client/beefy/src/worker.rs

@@ -508,7 +508,7 @@ where
 
 			if let Err(e) = self.backend.append_justification(
 				BlockId::Number(block_num),
-				(BEEFY_ENGINE_ID, finality_proof.clone().encode()),
+				(BEEFY_ENGINE_ID, finality_proof.encode()),
 			) {
 				error!(target: "beefy", "🥩 Error {:?} on appending justification: {:?}", e, finality_proof);
 			}