multi: let ForEachNodeChannel take a reset param

graph/db/sql_store.go

@@ -962,9 +962,7 @@ func (s *SQLStore) ForEachNodeCacheable(ctx context.Context,
 // NOTE: part of the V1Store interface.
 func (s *SQLStore) ForEachNodeChannel(ctx context.Context, nodePub route.Vertex,
 	cb func(*models.ChannelEdgeInfo, *models.ChannelEdgePolicy,
-		*models.ChannelEdgePolicy) error) error {
-
-	reset := func() {}
+		*models.ChannelEdgePolicy) error, reset func()) error {
 
 	return s.db.ExecTx(ctx, sqldb.ReadTxOpt(), func(db SQLQueries) error {
 		dbNode, err := db.GetNodeByPubKey(