fix param list for hidden nodes (#268)

Signed-off-by: Dirk Thomas <[email protected]>

Author: dirk-thomas

ros2param/ros2param/verb/list.py

@@ -55,7 +55,8 @@ def main(self, *, args):  # noqa: D102
                 n for n in node_names if node_name == n.full_name]
 
         with DirectNode(args) as node:
-            service_names = get_service_names(node=node)
+            service_names = get_service_names(
+                node=node, include_hidden_services=args.include_hidden_nodes)
 
             clients = {}
             futures = {}