On docking 'Particle UI' and 'Cloth Inspector' windows in the Scene view to make Overlay window results in these windows header names are gets clipped in the Overlay window.
'unity-sceneview-clothcontraints' and 'Particles' window names are clipped, Refer to the attached video and screenshots.

Steps to Reproduce:
1. Create a New Project with objects having Particle System and Cloth components.
2. Scene View > Drag and Dock 'Particle UI' and 'Cloth Inspector' to Overlay window.
3. Observe the 'unity-sceneview-clothcontraints' and 'Particles' window header names.

Actual result:
Particle UI and Cloth Inspector header names appear clipped in the Overlay window.

Expected result:
Particle UI and Cloth Inspector header names should present without clipping in the Overlay window.

Occurring on:
2021.2.0a17

Note: New scene view overlays feature is Introduce in 2021.2.0a17

Environment:
Occurring on macOS and Windows 10