localchans: bugfix so that we always use the correct chanID

Author: ziggie1984

routing/localchans/manager.go

@@ -311,8 +311,14 @@ func (r *Manager) createEdge(channel *channeldb.OpenChannel,
 			err)
 	}
 
+	// We need to make sure we use the real scid for zero-conf channels.
+	shortChanID := channel.ShortChanID()
+	if channel.IsZeroConf() && channel.ZeroConfConfirmed() {
+		shortChanID = channel.ZeroConfRealScid()
+	}
+
 	info := &models.ChannelEdgeInfo{
-		ChannelID:    channel.ShortChanID().ToUint64(),
+		ChannelID:    shortChanID.ToUint64(),
 		ChainHash:    channel.ChainHash,
 		Features:     featureBuf.Bytes(),
 		Capacity:     channel.Capacity,