fix: closetpeer skip list (#2374)

pkg/topology/kademlia/kademlia.go

@@ -1023,9 +1023,6 @@ func (k *Kad) ClosestPeer(addr swarm.Address, includeSelf bool, skipPeers ...swa
 	}
 
 	err := k.connectedPeers.EachBinRev(func(peer swarm.Address, po uint8) (bool, bool, error) {
-		if closest.IsZero() {
-			closest = peer
-		}
 
 		for _, a := range skipPeers {
 			if a.Equal(peer) {
@@ -1033,6 +1030,10 @@ func (k *Kad) ClosestPeer(addr swarm.Address, includeSelf bool, skipPeers ...swa
 			}
 		}
 
+		if closest.IsZero() {
+			closest = peer
+		}
+
 		// kludge: hotfix for topology peer inconsistencies bug
 		if !isIn(peer, peers) {
 			a := swarm.NewAddress(peer.Bytes())