Layer generators error return type fix (#14526)

store/timer_layer.go

@@ -1401,7 +1401,7 @@ func (s *TimerLayerChannelStore) MigratePublicChannels() error {
 	elapsed := float64(timemodule.Since(start)) / float64(timemodule.Second)
 	if s.Root.Metrics != nil {
 		success := "false"
-		if true {
+		if resultVar0 == nil {
 			success = "true"
 		}
 		s.Root.Metrics.ObserveStoreMethodDuration("ChannelStore.MigratePublicChannels", success, elapsed)