Reproduction steps:
1. Make sure your display supports HDR and HDR is enabled
2. Open the attached “IN-119083.zip” project
3. Open the “SampleScene”
4. Enter Play mode
5. Open the Frame Debugger Window (Window > Analysis > Frame Debugger)
6. Under “Ints” dropdown, observe that “_HDR_OVERLAY” and “_HDRColorspace” are enabled
7. From the Hierarchy, select the “Reflection Probe” GameObject and enable it
8. Observe the “Ints” dropdown again

Expected result: HDR output remains enabled
Actual result: HDR output is disabled (the “Ints” dropdown is greyed out, empty)

Reproducible with: 6000.0.0b13, 6000.0.59f1, 6000.2.7f1, 6000.3.0b4, 6000.4.0a1
Not reproducible with: 6000.0.0b12

Reproducible on: Windows 11
Not reproducible on: no other environments tested

Note:
- Having the Reflection Probe enabled when the application starts maintains HDR output, but having the Probe disabled and then enabled sometime after the application starts deactivates HDR output