[Improved prefabs] Static keyword gets clipped in overrides window when a prefab is marked as static. Refer the attached screenshot.

Steps to reproduce:
1) Create a new project
2) Create two empty gameObjects "A" and "B" > Drag drop in project to make prefabs
3) Make B a child of A.
4) Select A > In Override window select B > Check static
5) Open the overrides window

Actual result: Static keyword gets clipped in the overrides window.
Expected result: Static keyword does not get clipped.

Occuring in : 2020.2.0a7, 2020.1.0b5, 2019.3.9f1, 2019.3.0a6.
Working fine in: 2019.3.0a5

Environment: Both Windows and Mac.