Reproduction steps:
1. Create a new project
2. Create > UI Toolkit > UI Document
3. Double-click the newly created Asset to open UI Builder window
4. Drag and drop Toggle Button Group Element into the Hierarchy
5. Drag and drop 9 or more Button Elements into the Toggle Button Group Element
6. Select the Toggle Button Group Element and observe the Value field in the Inspector
7. Resize the Inspector and observe the Value field again
Actual result: 9th value is cut off, following values are not displayed and resizing the Inspector does not reveal them
Expected result: All values are displayed in the Value field
Reproducible with: 6000.0.38f1, 6000.0.81f1, 6000.3.22f1, 6000.5.8f1, 6000.6.0b8, 6000.7.0a4
Not reproducible with: 6000.0.0f1, 6000.0.37f1
Reproduced on: Ubuntu 24.04, macOS Tahoe 26.5 (M4)