Clear Sky - selected render in video settings reverts

Describe the bug
The prefered render settings is reverted when changing video quality level and render type at once.

To Reproduce
Steps to reproduce the behavior:

1. Go options video and change render (rgl to R4)
2. Change the video quality level too (low to high)
3. Notice that render is reverted to previous (in my case to rgl)

Expected behavior
The interface should remember all the changes before you click apply button

Screenshots, videos
https://drive.google.com/file/d/1AqQGzY79L8hOUFDvaZZvPiX5AocakiC5/view?usp=sharing

BugTrap error report
no errors or reports

Desktop (please complete the following information):
OpenXRay Release Master Gold build 9809, Dec 16 2025 (Windows 64-bit, static)
GitHub Actions build 6135 (20266239241) from commit[bf1c14f0fe1670766008e57b0db188e78541f052] branch[dev] (built by OpenXRay/xray-16)

Start by reproducing the issue in the video settings using the listed steps: change render from RGL to R4, then change video quality from low to high before applying. Trace the video-settings update path and verify that both selections are retained until Apply, including the OpenXRay build context described in the report.