On expanding transitions from Transitions box, Transitions box layout is overlapping with its property window. refer attached screenshot

Steps to repro:
1. Create a new project > Create a Cube game object.
2. Windows > Animation > Animation > Click on Create button.
3. Project Window > Open Cube Animator > Create Empty State.
4. Create a transition New Animation > New State.
5. Inspector > Select transition > Expand.

Actual Result:
Transitions box layout is overlapping with its property window edge.

Expected Result:
Transitions box layout should well separate with its property window edge.

Occurring in:
2020.2.0a18, 2020.1.0b16, 2019.4.2f1, 2019.3.15f1, 2019.3.0a3

Working Fine in:
2019.3.0a2, 2019.2.21f1

Environment:
macOS 10.15