[Shuriken] Text overlaps with the dropdown icon in the Particle Effect window when Simulate layers is set to Ignore Raycast

Text overlaps with the dropdown icon in the Particle Effect window when Simulate layers are set to Ignore Raycast

Steps to repro:
1. Create a new project.
2. Hierarchy >Effects > Particle System.
3. Set Simulate layers value to Ignore Raycast.
4. Observe the particle effect window in the scene view

Actual Result:
Text overlaps with the dropdown icon when Simulate layers are set to Ignore Raycast

Expected Result:
The text doesn't overlap with the dropdown icon

Reproducible in:
2020.1.0a2, 2019.3.0b1, 2019.3.0a3.

Working Fine in:
2019.3.0a2, 2019.2.0f1

Environment:
Windows10, Linux ubuntu 16.04 LTS & Mac 10.14.