fix: dcutr: fix roles in tcp sim-open

We did the opposite thing of what the spec says to do. This meant that
we would fail to hole-punch with rust nodes because both sides we
attempt to be the dialer.

p2p/protocol/holepunch/holepuncher.go

@@ -151,7 +151,7 @@ func (hp *holePuncher) directConnect(rp peer.ID) error {
 			}
 			hp.tracer.StartHolePunch(rp, addrs, rtt)
 			hp.tracer.HolePunchAttempt(pi.ID)
-			err := holePunchConnect(hp.ctx, hp.host, pi, true)
+			err := holePunchConnect(hp.ctx, hp.host, pi, false)
 			dt := time.Since(start)
 			hp.tracer.EndHolePunch(rp, dt, err)
 			if err == nil {

p2p/protocol/holepunch/svc.go

@@ -258,7 +258,7 @@ func (s *Service) handleNewStream(str network.Stream) {
 	log.Debugw("starting hole punch", "peer", rp)
 	start := time.Now()
 	s.tracer.HolePunchAttempt(pi.ID)
-	err = holePunchConnect(s.ctx, s.host, pi, false)
+	err = holePunchConnect(s.ctx, s.host, pi, true)
 	dt := time.Since(start)
 	s.tracer.EndHolePunch(rp, dt, err)
 	s.tracer.HolePunchFinished("receiver", 1, addrs, ownAddrs, getDirectConnection(s.host, rp))