demos: grand refactoring #510

Job	Run time
License checks for SIL Kit sources	14s
Format checks for SIL Kit sources	39s
check-run-builds	7s
Address Sanitizer Tests / clang-asan	21m 26s
macos-release-builds / build-macos	13m 21s
Undefined Behavior Sanitizer Tests / Undefined Behavior Sanitizer Tests	28m 12s
Thread Sanitizer Tests / Thread Sanitizer Tests	17m 18s
mingw-release-builds / msys2/mingw64 x86_64	20m 52s
ubuntu-arm-release-builds / clang-18 release Builds for Ubuntu ARM64	7m 45s
windows-release-builds / build-win-x32	21m 15s
ubuntu-release-builds / clang-18 release Builds for Ubuntu	16m 26s
ubuntu-release-builds / gcc release Builds for Ubuntu	15m 19s
windows-release-builds / build-win-x64	24m 32s
	3h 7m 26s

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