How to reproduce:
1. Open the “IN-111397_RadioButton“ project
2. Open the “SampleScene”
3. Enter Play mode
4. Observe the “RadioButtonGroup” value
5. Press “Q”
6. Observe the “RadioButtonGroup” value

Expected result: The value persists
Actual result: The value is lost

Reproducible with: 6000.0.42f1, 6000.0.56f1, 6000.2.1f1, 6000.3.0a5
Not reproducible with: 6000.0.41f1

Reproducible on: macOS 15.6 (M1 Max), Windows 10 (by user)
Not reproducible on: no other environments tested

Note: Does not reproduce with “DropdownField” element