chore: add debug log for reduntant relay (#3616)

* chore: add debug log for reduntant relay

* improve debug log

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Co-authored-by: colin axnér <25233464+colin-axner@users.noreply.github.com>

Author: PanGan21

modules/core/keeper/msg_server.go

@@ -442,6 +442,7 @@ func (k Keeper) RecvPacket(goCtx context.Context, msg *channeltypes.MsgRecvPacke
 		writeFn()
 	case channeltypes.ErrNoOpMsg:
 		// no-ops do not need event emission as they will be ignored
+		ctx.Logger().Debug("no-op on redundant relay", "port-id", msg.Packet.SourcePort, "channel-id", msg.Packet.SourceChannel)
 		return &channeltypes.MsgRecvPacketResponse{Result: channeltypes.NOOP}, nil
 	default:
 		ctx.Logger().Error("receive packet failed", "port-id", msg.Packet.SourcePort, "channel-id", msg.Packet.SourceChannel, "error", errorsmod.Wrap(err, "receive packet verification failed"))