Move gGuestInitial* to GameState #2004

Job	Run time
Check changelog formatting	5s
Lint Commit Message	0s
Check code formatting	45s
Linux (x86_64, AppImage)	7m 19s
Android	10m 12s
Linux (Debug, [http, network, flac, vorbis OpenGL] disabled) using clang	8m 35s
Linux (Debug) using clang, coverage enabled	12m 21s
Linux (x86_64, bionic, portable)	7m 3s
Linux (docker)	0s
macOS (x64) using CMake	7m 14s
Windows (win32)	7m 59s
macOS (arm64) using CMake	15m 54s
Windows (x64)	8m 14s
Linux (x86_64, focal, portable)	7m 17s
Windows (arm64)	8m 9s
Linux (x86_64, jammy, portable)	8m 20s
Windows (win32) using mingw	7m 38s
Linux (x86_64, bullseye, portable)	8m 7s
Linux (i686, focal, portable)	7m 13s
macOS universal app bundle	1m 22s
	2h 13m 47s

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