rocksdb compaction can cause long stalls, so
make it more configurable to try and reduce those stalls
and also to coordinate between multiple nodes to not induce
stall at the same time.
* 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>