Correct copy of multiple files. #574

Job	Run time
Linux (Q8/Q16/Q16-HDRI, arm64)	28m 13s
Linux (Q8/Q16/Q16-HDRI, x64)	4m 33s
Linux musl (Q8/Q16/Q16-HDRI, x64)	3m 23s
MacOS (Q8/Q16/Q16-HDRI)	7m 16s
Windows (Q8, x86)	11m 32s
Windows (Q8, x64)	9m 38s
Windows (Q8, arm64)	8m 41s
Windows (Q8, Any CPU)	11m 1s
Windows (Q8-OpenMP, x64)	11m 43s
Windows (Q8-OpenMP, arm64)	9m 30s
Windows (Q16, x86)	9m 32s
Windows (Q16, x64)	12m 41s
Windows (Q16, arm64)	10m 8s
Windows (Q16, Any CPU)	7m 36s
Windows (Q16-OpenMP, x64)	11m 16s
Windows (Q16-OpenMP, arm64)	7m 32s
Windows (Q16-HDRI, x86)	11m 13s
Windows (Q16-HDRI, x64)	11m 16s
Windows (Q16-HDRI, arm64)	7m 34s
Windows (Q16-HDRI, Any CPU)	10m 7s
Windows (Q16-HDRI-OpenMP, x64)	9m 53s
Windows (Q16-HDRI-OpenMP, arm64)	7m 45s
Library (Core)	6m 45s
Library (SystemDrawing)	10m 24s
Library (SystemWindowsMedia)	9m 25s
	4h 8m 37s

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