[Bug] QGC not showing external mode from PX4

[junwoo091400]

Expected Behavior

QGC should show the name of the external mode "CustomMode" (in this example) supported by PX4 via it's ROS2 Control interface. This feature was added in #10788.

Current Behavior

The mode name doesn't show up in flight modes supported.

Steps to Reproduce:

Please provide an unambiguous set of steps to reproduce the current behavior

1. Install QGC v4.4.2
2. Start PX4 SITL make px4_sitl_default gz_x500
3. Start MicroXRCE-DDS Agent MicroXRCEAgent udp4 -p 8888
4. Start ROS2 script ros2 run custom_mode custom_mode
5. Check QGC's listed supported modes

System Information

• OS: Ubuntu 22.04.3 LTS
• PX4: commit 8070c70
• ROS2 program from https://github.com/ARK-Electronics/px4_ros2_examples_ws?tab=readme-ov-file

Log Files and Screenshots

With the "StandardModes" for QGC Console log enabled, it didn't show anything. Only irrelevant errors: