some `Check::FileInfo`/`CTU::FileInfo` usage cleanups #19919

Job	Run time
build_make (ubuntu:25.10)	4m 54s
build_cmake (ubuntu:25.10, true, true)	5m 25s
build_make (alpine:3.23)	5m 47s
build_cmake (alpine:3.23, false, false)	4m 24s
build_make (ubuntu:24.04)	4m 23s
build_cmake (ubuntu:24.04, true, true)	5m 13s
	30m 6s

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