Allow small difference when writing the file. #635

Job	Run time
Linux (Q8/Q16/Q16-HDRI, arm64)	50m 36s
Linux (Q8/Q16/Q16-HDRI, x64)	4m 20s
Linux musl (Q8/Q16/Q16-HDRI, x64)	6m 1s
Library (Core)	5m 58s
MacOS (Q8/Q16/Q16-HDRI)	57m 33s
Library (SystemDrawing)	4m 31s
Windows (Q8, x86)	9m 57s
Windows (Q8, x64)	8m 21s
Library (SystemWindowsMedia)	7m 26s
Windows (Q8, arm64)	6m 13s
Windows (Q8, Any CPU)	6m 36s
Windows (Q8-OpenMP, x64)	9m 14s
Windows (Q8-OpenMP, arm64)	6m 36s
Windows (Q16, x86)	11m 22s
Windows (Q16, x64)	6m 28s
Windows (Q16, arm64)	7m 55s
Windows (Q16, Any CPU)	12m 18s
Windows (Q16-OpenMP, x64)	11m 9s
Windows (Q16-OpenMP, arm64)	5m 48s
Windows (Q16-HDRI, x86)	9m 56s
Windows (Q16-HDRI, x64)	7m 55s
Windows (Q16-HDRI, arm64)	6m 15s
Windows (Q16-HDRI, Any CPU)	7m 23s
Windows (Q16-HDRI-OpenMP, x64)	9m 25s
Windows (Q16-HDRI-OpenMP, arm64)	7m 0s
	4h 46m 16s

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