Further fixes and improvements related to WebAssembly #12978

Job	Run time
Code style check / Code style check	9s
SonarCloud Analyzer / SonarCloud Analyzer	0s
CodeChecker / CodeChecker	31m 12s
IWYU / IWYU	3m 8s
MSVC / MSVC (SDL2 x86)	4m 0s
MSVC / MSVC (SDL2 x64)	4m 30s
Android / Android	9m 22s
Make / Make (Nintendo Switch)	3m 14s
Make / Make (Linux x86-64 SDL2 Release)	2m 48s
Make / Make (Linux x86-64 SDL2 Debug)	3m 5s
Make / Make (Linux ARM64 SDL2 Release)	4m 10s
Make / Make (Linux ARM64 SDL2 Debug)	5m 8s
Make / Make (Emscripten)	7m 12s
Make / Make (macOS SDL2)	2m 36s
CMake / CMake (Windows SDL2)	5m 10s
CMake / CMake (Linux SDL2)	2m 18s
Make / Make (macOS SDL2 App Bundle)	1m 44s
CMake / CMake (macOS SDL2)	2m 5s
CMake / CMake (macOS SDL2 App Bundle)	1m 43s
Make / Make (PS Vita)	9m 39s
	1h 43m 13s

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