Steps to reproduce:
1. Download the attached project and open the CornellBoxA scene
2. Select the Post-process Volume in the Hierarchy panel
3. In the Inspector window, select Post Process Volume component and navigate to Color Grading section
4. Make sure that Post-exposure is enabled and begin adjusting its value
5. Notice that light probe gizmo is properly tonemapped in the Game view but not in the Scene view

Notes:
- In order to see gizmos in the Game view, make sure Gizmos toggle is turned on in the upper right corner of the Game view