When Speed Range value is set to a 3 digit number in Particle System under the Inspector tab, Properties under Particle System are displayed in Scene View while the editor is in play mode where Speed Range value clips, Refer attached video.

Steps to reproduce:
1. Create a new project
2. Hierarchy > right-click > Effect > Particle System
3. Select Particle System GameObject in Hierarchy
4. Add the three-digit value in Start Speed under Inspector
5. Click on the "Play" button
6. Observe Particle Effect Window in Scene View.

Actual Result:
Speed Range values under the Particle Effect window are clipped when set to a three-digit number.

Expected Result:
Speed Range values are visible regardless of any value.

Reproducible in:
2020.1.0a8, 2019.3.0b7, 2019.2.0f1, 2019.1.11f1

Environment:
Windows 10, Linux ubuntu 16.04 LTS & macOS 10.14.