Isolation Protocol: Fix generation of microlab_chunks_level #95609

Job	Run time
skip-duplicates-code	7s
matrix-variables	1s
skip-duplicates-data	6s
Basic Build and Test (Clang 10, Ubuntu, Curses)	56m 4s
Clang 14, macOS 12, Tiles, Sound, x64 and arm64 Universal Binary	1h 15m 53s
GCC 9, Curses, LTO	58m 40s
Clang 12, Ubuntu, Tiles, ASan	1h 29m 6s
GCC 11, Ubuntu, Curses, ASan	2h 34m 18s
GCC 12, Ubuntu cross-compile to MinGW-Win64, Tiles, Sound	1h 11m 37s
GCC 9, Ubuntu, Tiles, Sound, CMake	21m 34s
emscripten / Build	1h 59m 42s
	10h 47m 8s

Provide feedback