Revert "Fallback to linear RGB instead of sRGB"

Missed a previous cherry-pick...

This reverts commit 728b85838b151f209b8a523c78a825bc40972470.
Fix possible crash. I hope.
Respect string freeze. Revert after release!
Update profile list when switching images
Fallback to linear RGB instead of sRGB

This was already the case, except that we were
showing sRGB even though in reality linear RGB
was being used