Buttons in the Input Actions Editor overlap when the window is docked and the width is narrow

Steps to reproduce:

1. Create a new Unity project using a 3D Universal Template
2. From the Project window, open the "InputSystem_Actions.inputaction" asset
3. Dock the Input Actions Editor anywhere in the Editor
4. Resize its width to as narrow as possible
5. Observe the top buttons in the Input Actions Editor

Actual results: The buttons overlap

Expected results: The buttons do not overlap

Reproducible with versions: 1.8.0 (6000.0.0b11), 1.14.0, 1.17.0 (6000.0.63f1, 6000.2.14f1, 6000.3.0f1, 6000.4.0a5, 6000.5.0a3)

Tested on (OS): Windows 11, macOS 26.1 (M1 Pro)