Scrollbar on Inspector does not disappear after deselecting a gameObject.
Refer the attached video.

Steps to reproduce:
1) Create a new project.
2) Create a cube gameObject.
3) Dock game view below Inspector.
4) Select the Cube in hierarchy and notice the scrollbar in Inspector
5) Unselect the cube.

Actual result: Scrollbar in Inspector does not disappear.
Expected result: Scrollbar in Inspector should disappear.

Occurring in: 2019.3.0a5, 2019.2.0b5, 2019.2.0a8
Not reproducible on: 2019.2.0a7

Environment: Both Mac and Windows