C4Config: Also enable shaders so that shader gamma is used #2020

Job	Run time
Generate CI Configuration / Generate CI Configuration	4s
Autobuild / Build Binaries (x86, win32, win32, windows-latest, Windows, Windows-x86)	2m 31s
Autobuild / Build Binaries (x64, win64, win64, amd64, true, true, windows-latest, Windows, Windows-x64)	2m 19s
Autobuild / Build Binaries (debugrec, x86, win32-debugrec, true, windows-latest, Windows, Windows-x86-debugrec)	2m 26s
Autobuild / Build Binaries (x64, linux64, linux, ubuntu-20.04, Linux, Linux-x64)	5m 40s
Autobuild / Build Binaries (debugrec, x64, linux64-debugrec, true, ubuntu-20.04, Linux, Linux-x64-debugrec)	7m 57s
Autobuild / Build Binaries (x64, mac, mac, macos-13, Mac, Mac-x64)	5m 55s
	26m 52s

Provide feedback