util: add fast path to stripVTControlCharacters #3393

Job	Run time
Build slim tarball	2m 26s
aarch64-linux: with shared libraries	30m 37s
aarch64-darwin: with shared libraries	42m 12s
x86_64-darwin: with shared libraries	56m 10s
x86_64-linux: with shared libraries	39m 41s
	2h 51m 6s

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