RaZ

[CMake] Fixed XR-related files compilation on first generation #1796

Job	Run time
Linux (gcc, Debug)	9m 1s
macOS (clang, Debug)	2m 1s
Linux (gcc, Release)	5m 4s
Emscripten (emcc, Debug)	4m 0s
macOS (clang, Release)	4m 7s
Windows (cl, Debug)	5m 33s
Emscripten (emcc, Release)	8m 44s
Linux (clang, Debug)	4m 28s
macOS (clang, Debug, no audio)	1m 55s
Emscripten (emcc, Debug, no audio)	3m 36s
Windows (cl, Release)	9m 29s
Linux (clang, Release)	6m 5s
macOS (clang, Debug, no window)	1m 34s
Windows (cl, Debug, no audio)	5m 14s
Linux (gcc, Debug, no audio)	5m 12s
Linux (gcc, Debug, no window)	3m 53s
Windows (cl, Debug, no window)	4m 7s
	1h 24m 3s

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