Steps to reproduce:
1. Create new Unity project using Universal 2D Template
2. Open Tile Palette window (Window > 2D > Tile Palette)
3. On the left press “Create New Tile Palette”
4. Give it a longer name “New PaletteNew PaletteNew PaletteNew PaletteNew Palette”
5. Observe the drop-down button in Tile Palette window
Actual results: After giving longer Palette name, drop-down button expands
Expected results: Longer Palette name should be truncated, button doesn’t expand
Reproducible with versions: 6000.0.66f1, 6000.3.5f1, 6000.4.0b5, 6000.5.0a5
Tested on (OS): macOS Silicon Tahoe 26.2 (M1), Windows 11