kvserver: rename registerLeaseholder to *AndRefreshPolicy

This commit renames registerLeaseholder to registerLeaseholderAndRefreshPolicy
to reflect its changes. In addition to registering the replica as a leaseholder,
it now also triggers a closed timestamp policy refresh on the replica.

Epic: none
Release note: none

Author: wenyihu6

pkg/kv/kvserver/replica_proposal.go

@@ -581,7 +581,7 @@ func (r *Replica) leasePostApplyLocked(
 
 	// Inform the store of this lease.
 	if iAmTheLeaseHolder {
-		r.store.registerLeaseholder(ctx, r, newLease.Sequence)
+		r.store.registerLeaseholderAndRefreshPolicy(ctx, r, newLease.Sequence)
 	} else {
 		r.store.unregisterLeaseholder(ctx, r)
 	}

pkg/kv/kvserver/store.go

@@ -4147,9 +4147,10 @@ func (s *Store) WaitForSpanConfigSubscription(ctx context.Context) error {
 	return errors.Newf("unable to subscribe to span configs")
 }
 
-// registerLeaseholder registers the provided replica as a leaseholder in the
-// node's closed timestamp side transport.
-func (s *Store) registerLeaseholder(
+// registerLeaseholderAndRefreshPolicy registers the provided replica as a
+// leaseholder in the node's closed timestamp side transport and refreshes its
+// closed timestamp policy as a post-action to the lease acquisition.
+func (s *Store) registerLeaseholderAndRefreshPolicy(
 	ctx context.Context, r *Replica, leaseSeq roachpb.LeaseSequence,
 ) {
 	if s.ctSender != nil {