multi: let ForEachNodeChannel take a reset param

server.go

@@ -1254,7 +1254,8 @@ func newServer(ctx context.Context, cfg *Config, listenAddrs []net.Addr,
 		DefaultRoutingPolicy: cc.RoutingPolicy,
 		ForAllOutgoingChannels: func(ctx context.Context,
 			cb func(*models.ChannelEdgeInfo,
-			*models.ChannelEdgePolicy) error) error {
+			*models.ChannelEdgePolicy) error,
+			reset func()) error {
 
 			return s.graphDB.ForEachNodeChannel(ctx, selfVertex,
 				func(c *models.ChannelEdgeInfo,
@@ -1264,7 +1265,7 @@ func newServer(ctx context.Context, cfg *Config, listenAddrs []net.Addr,
 					// NOTE: The invoked callback here may
 					// receive a nil channel policy.
 					return cb(c, e)
-				},
+				}, reset,
 			)
 		},
 		PropagateChanPolicyUpdate: s.authGossiper.PropagateChanPolicyUpdate,