AI Navigation window UI elements overlap when the AI Navigation window is docked and resized

Steps to reproduce:

1. Create a new Unity project using the Universal 3D template
2. Open the AI Navigation window (Window > AI > Navigation)
3. Dock the AI Navigation window
4. Click the "Areas" button
5. Resize the AI Navigation window horizontally to make it smallest possible
6. Observe the AI Navigation window

Actual results: UI elements overlap each other

Expected results: No UI elements overlapping

Reproducible with versions: 2021.3.51f1, 2022.3.64f1, 6000.0.53f1, 6000.1.11f1, 6000.2.0b9, 6000.3.0a1

Tested on (OS): macOS Silicon Sequoia 15.5