Track votes from gossip for optimistic confirmation (#11209)

* Add check in cluster_info_vote_listenere to see if optimstic conf was achieved
Add OptimisticConfirmationVerifier

* More fixes

* Fix merge conflicts

* Remove gossip notificatin

* Add dashboards

* Fix rebase

* Count switch votes as well toward optimistic conf

* rename

Co-authored-by: Carl <carl@solana.com>

core/src/repair_service.rs

@@ -1197,6 +1197,7 @@ mod test {
             &keypairs.node_keypair,
             &keypairs.vote_keypair,
             &keypairs.vote_keypair,
+            None,
         );
         bank9.process_transaction(&vote_tx).unwrap();
         assert!(bank9.get_signature_status(&vote_tx.signatures[0]).is_some());