Fix nodes map undefined channels count

frontend/src/app/lightning/nodes-map/nodes-map.component.ts

@@ -88,7 +88,7 @@ export class NodesMap implements OnInit, OnChanges {
             node.public_key,
             node.alias,
             node.capacity,
-            node.active_channel_count,
+            node.channels,
             node.country,
             node.iso_code,
           ]);