How to reproduce:
1. Create a new 2D Unity Project
2. Go to Window -> 2D -> Tile Palette
3. Observe the Tile Palette preview
Expected results: The default preview size is enough to fit the text inside
Actual results: The preview size cuts off the dropdown
Reproducible with: 6000.0.32f1, 6000.1.0a8
Can't test with: 2021.3.47f1, 2022.3.55f1 (Different window design)
Reproducible on: macOS Sequoia 15.1 (M1)
Not reproducible on: No other environment tested