Undo isn't registered when editing fields in the Behavior Agent component

Steps to reproduce:

1. Download and open the attached project.
2. Open SampleScene
3. On the Agent game object, set the Self variable to GameObject
4. Perform undo

Actual results: A different action is undone and Self variable remains GameObject

Expected results: Self variable reverts back to Agent

Reproducible with versions: 1.0.6

Tested on (OS): MacOS (M1) 15.1.1

Notes:

• This is the same for all fields in the component