Clean up some CFOptions code hygiene, fix SetOptions() bug #3945

Job	Run time
build-linux-cmake-mingw	12m 50s
build-linux	17m 7s
build-fuzzers	8m 44s
build-examples	11m 2s
build-linux-clang-13-no_test_run	7m 12s
build-linux-cmake-with-benchmark	20m 1s
build-linux-clang-no_test_run	11m 52s
build-linux-cmake-with-folly	28m 18s
build-linux-cmake-with-folly-coroutines	32m 15s
build-linux-cmake-with-folly-lite-no-test	8m 5s
build-linux-encrypted_env-no_compression	16m 11s
build-linux-gcc-10-cxx20-no_test_run	9m 42s
build-linux-gcc-11-no_test_run	10m 4s
build-linux-gcc-8-no_test_run	8m 45s
build-linux-make-with-folly	28m 44s
build-linux-make-with-folly-lite-no-test	10m 6s
build-linux-release	14m 21s
build-linux-release-rtti	12m 31s
check-format-and-targets	25s
build-linux-clang10-asan	17m 24s
build-linux-clang10-clang-analyze	17m 24s
build-linux-clang10-ubsan	17m 12s
build-linux-clang13-mini-tsan	24m 45s
build-linux-java	14m 58s
build-linux-java-pmd	12m 32s
build-linux-java-static	12m 38s
build-linux-static_lib-alt_namespace-status_checked	19m 26s
build-linux-unity-and-headers	12m 52s
build-macos	21m 8s
build-linux-mini-crashtest	29m 25s
build-macos-cmake (true)	52m 25s
build-macos-cmake (false)	43m 3s
build-macos-java	21m 43s
build-macos-java-static	27m 58s
build-macos-java-static-universal	25m 32s
build-windows-vs2019	54m 15s
build-linux-arm	14m 18s
	11h 47m 13s

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