Updated functionality of option `preservefiletimes` in `gam <UserType… #2906

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Job	Run time
build (ubuntu-20.04, 1, build, x86_64, linux-x86_64)	12m 15s
build (self-hosted, linux, arm64, 2, build, aarch64, linux-aarch64)	29m 18s
build (ubuntu-20.04, 3, build, x86_64, linux-x86_64, yes)	14m 55s
build (self-hosted, linux, arm64, 4, build, aarch64, linux-aarch64, yes)	29m 49s
build (macos-12, 5, build, x86_64, darwin64-x86_64)	23m 43s
build (self-hosted, macOS, ARM64, 7, build, aarch64, darwin64-arm64)	18m 6s
build (self-hosted, macOS, ARM64, 12, build, universal2, darwin64-arm64 darwin64-x86_64)	21m 1s
build (windows-2022, 6, build, Win64, VC-WIN64A)	19m 26s
build (ubuntu-22.04, test, 3.8, 9, x86_64)	7m 19s
build (ubuntu-22.04, test, 3.9, 10, x86_64)	10m 13s
build (ubuntu-22.04, test, 3.10, 11, x86_64)	10m 17s
build (ubuntu-22.04, test, 3.11, 12, x86_64)	4m 1s
publish	0s
	3h 20m 23s

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