some `Check::FileInfo`/`CTU::FileInfo` usage cleanups (#8612) #19931

Job	Run time
build_cmake (ubuntu:25.10, true, true)	4m 42s
build_make (ubuntu:25.10)	5m 7s
build_make (ubuntu:24.04)	4m 2s
build_cmake (alpine:3.23, false, false)	3m 48s
build_make (alpine:3.23)	5m 53s
build_cmake (ubuntu:24.04, true, true)	4m 19s
	27m 51s

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