fix level changes: propagate kNoLevel #184

Job	Run time
macos (macos-x86_64, macos-13)	2m 14s
linux (linux-amd64-release, linux-amd64)	1m 12s
formatting	39s
macos (macos-arm64, macos-14)	1m 29s
linux (linux-arm64-release, linux-arm64, qemu-aarch64-static)	1m 12s
msvc (Debug)	3m 10s
linux (clang-tidy)	4m 21s
linux (linux-sanitizer)	1m 10s
linux (linux-debug, valgrind --leak-check=full --error-exitcode=1)	3m 13s
msvc (Release)	2m 38s
docker	28s
	21m 46s

Provide feedback