Scan and Convert Assets buttons are hidden if scaling the window horizontally

Steps to reproduce:

1. Download attached project and open in Unity
2. Open Render Pipeline Converter window >> Windows >> Rendering >> Render Pipeline Converter.
3. Resize the window horizntally.

Actual results: Scan and Convert Assets buttons will be hidden once resizing the window. Sometimes even just opening the window makes the buttons hidden already.

Expected results: Buttons should be anchored to the edge of the window.

Reproducible with versions: 

6000.5.0a1, 6000.5.4f1, 6000.6.0b8, 6000.7.0b1

Not reproducible with versions: 

6000.4.0a3, 6000.4.12f1

Tested on (OS): 

MacBook Pro (16-inch, 2021), CPU: Apple M1 Max, Memory: 64 GB, macOS Tahoe: 26.6.2