"Sprite Editor" text from Sprite Editor window is clipping when it is not docked

Step to Reproduce:
1. Create a new project
2. Import any texture
3. Change Texture Type to "Sprite (2D and UI)"
4. Open Sprite Editor Window

Actual Result:
"Sprite Editor" text from Sprite Editor window clips.

Expected Result:
"Sprite Editor" text is clipping from Sprite Editor window when it is not docked.

Reproducible on:
2019.1.0a13, 2019.1.0a10

Not Reproducible on:
2019.1.0a9

Environment:
Windows and Mac