routerrpc+cmd: use skip_temp_err when sending to route

lnrpc/routerrpc/router_server.go

@@ -399,13 +399,19 @@ func (s *Server) SendToRouteV2(ctx context.Context,
 		return nil, err
 	}
 
+	var attempt *channeldb.HTLCAttempt
+
 	// Pass route to the router. This call returns the full htlc attempt
 	// information as it is stored in the database. It is possible that both
 	// the attempt return value and err are non-nil. This can happen when
 	// the attempt was already initiated before the error happened. In that
 	// case, we give precedence to the attempt information as stored in the
 	// db.
-	attempt, err := s.cfg.Router.SendToRoute(hash, route)
+	if req.SkipTempErr {
+		attempt, err = s.cfg.Router.SendToRouteSkipTempErr(hash, route)
+	} else {
+		attempt, err = s.cfg.Router.SendToRoute(hash, route)
+	}
 	if attempt != nil {
 		rpcAttempt, err := s.cfg.RouterBackend.MarshalHTLCAttempt(
 			*attempt,