BlendTree name and Threshold values from Inspector are clipping, refer attached screenshot

Steps to repro:
1. Create a new project.
2. Project Window > Create > Animator Controller
3. Double click on the "new Animator Controller"
4. Right-click the graph area and select "Create State > From new Blend Tree"
5. Double click on the "Blend Tree" node
6. Add four blend tree nodes by right-clicking the Blend Tree node and "Add Blend Tree"

Actual Result:
Blend Tree name and Threshold values are clipped

Expected Result:
Blend Tree name and Threshold values are visible without clipping

Reproducible in:
2020.1.0a4, 2019.3.0b4, 2019.3.0b2

Working fine on:
2019.3.0b1, 2019.2.6f1

Environment:
Windows 10 & Mac 10.14