Directional Light Gizmo is missing in the Scene View, refer attached screenshot

Steps to repro:
1. Create a new project
2. Select "Direction Light" in the Hierarchy
3. Enable Gizmos dropdown in the upper right corner of Scene View

Actual Result:
Gizmo of Direction Light is missing in the Scene View

Expected Result:
Directional Light Gizmo visible clearly

Reproducible in:
2020.1.0a13, 2020.1.0a11

Working Fine in:
2020.1.0a10, 2019.3.0b10

Environment:
Windows 10 & macOS 10.14