Reproduction steps:
1. Open the attached “IN-101007.zip” project
2. Double click on the “SubGraphDynamic” from the Project Window to open the Graph
3. Click the “Debug” button at the top left
4. Observe the opened pop-up window

Expected result: “TestAgent” is available for selection
Actual result: No agents can be selected (List is empty)

Reproducible with: 1.0.0, 1.0.9 (6000.0.48f1, 6000.1.3f1, 6000.2.0b1)
Couldn’t test with: 2022.3.62f1 (Behavior package is not supported)

Reproduced on: macOS 15.4.1 (M2 Pro), Windows 11
Not reproduced on: No other environment tested

Note:
- “SubGraphStatic” and “TestGraph” both have “TestAgent” available for selection