Merge pull request #7264 from yyforyongyu/gossip-resend-messages

discovery: fix message order in batch sending

config.go

@@ -629,6 +629,7 @@ func DefaultConfig() Config {
 		Gossip: &lncfg.Gossip{
 			MaxChannelUpdateBurst: discovery.DefaultMaxChannelUpdateBurst,
 			ChannelUpdateInterval: discovery.DefaultChannelUpdateInterval,
+			SubBatchDelay:         discovery.DefaultSubBatchDelay,
 		},
 		Invoices: &lncfg.Invoices{
 			HoldExpiryDelta: lncfg.DefaultHoldInvoiceExpiryDelta,