The entire UI is indented when viewing a particle system preset, vs. the left-alignment that is used by default for prefabs/instances.

Also the color bar is misaligned in Start Color property of Particle System preset asset. Under the Shape section Shape, Emit from and Texture is also misaligned.

Steps to repro:
1. Create a new project.
2. GameObject > Effects > Particle System.
3. Create a preset for Particle System.
4. Select Particle System preset asset.

Actual Result:
The color bar is misaligned in Start Color property.

Expected Result:
The color bar is aligned in Start Color property.

Reproducible on:
2020.1.0a12, 2019.3.0b10, 2018.2.0f2.

Environment:
Windows 10 & Mac 10.14.