Audio Clip Volume and Avoid Repeating Last fields values cannot be changed in Audio Random Container window

Reproduction steps:
1. Create new project
2. Create > Audio > Audio Random Container
3. Double-click on the newly created asset to open Audio Random Container window
4. Expand Audio Clips foldout and click “+” button to add Audio Clip
5. Change Volume field value and observe
6. Change Playback Mode to Random
7. Change Avoid Repeating Last field value and observe

Actual result: Audio Clip Volume and Avoid Repeating Last fields values remain “0”
Expected result:  Audio Clip Volume and Avoid Repeating Last fields values are changed

Reproducible with: 6000.0.64f1, 6000.2.15f1, 6000.3.1f1, 6000.4.0b1, 6000.5.0a3

Reproduced on: Ubuntu 24.04, macOS Tahoe 26.1 (M4)