-A glitch occurs in Project settings window while selecting a profile in Diffusion Profil List under Material section in HDRP quality settings.
-On clicking on the Asset selector button, search bar changes its size and immediately comes in its original size.

Steps to repro:
1. Create a new HDRP template project.
2. Edit > Project Settings > Quality > HDRP.
3. Material > Click on "+" > Press Asset Selector button
4. Click on the text of Low/Medium/High.

Actual Result:
A glitch occurs in Project settings window while selecting a profile.

Expected Result:
No glitch in Project settings window while selecting a profile

Reproducible in:
2020.2.0a14, 2020.1.b12, 2020.1.0a23 with Package Version 9.0.0, 8.1.0. 8.0.1.

Environment:
Occurring on Windows 10 & Mac 10.15.