When a prefab is a made of a gameObject with Animator component, apply root motion checkbox gets clipped in the override window.

Steps to reproduce:
1) Create a new project
2) Create empty gameObject > Drag to project to make a prefab
3) In hierarchy, select gameObject > Add Animator component
4) Open the override window > Select Animator

Actual result: Apply root motion checkbox gets clipped

Occurs in: 2019.3.0a11, 2019.2.0f1, 2019.1.9f1, 2018.3.9f1

Environment: Both Windows and Mac.