get cert count from cert meta

as said during RML18, it is better to get cert count from cert meta than indexer to be able to get the result without indexer

src/commands/identity.rs

@@ -330,9 +330,9 @@ pub async fn get_identity(
 	let smith = get_smith(client, index).await?;
 	let smith = smith.map(|s| SmithView {
 		status: s.status,
-		cert_issued_count: smith_cert_issued.len(),
+		cert_issued_count: s.issued_certs.len(),
 		cert_issued: smith_cert_issued,
-		cert_received_count: smith_cert_received.len(),
+		cert_received_count: s.received_certs.len(),
 		cert_received: smith_cert_received,
 	});