Fix for RLE encoding #14636

Job	Run time
Ubuntu Build release	19m 6s
Ubuntu Build debug	5m 46s
Ubuntu Build asan	8m 10s
Ubuntu Build msan	8m 45s
Ubuntu Build tsan	5m 43s
Ubuntu Build scalar	3m 54s
Ubuntu Build lowprecision	19m 24s
Ubuntu Build coverage	1m 1s
Ubuntu Build release-nojpeg	4m 47s
Ubuntu Build release-lcms2	5m 28s
Ubuntu Build release-system-lcms2	5m 26s
Ubuntu Build release:arm64	21m 31s
Ubuntu Build release:arm64-lowprecision	21m 50s
Ubuntu Build release:minimal	5m 15s
Ubuntu Build release:gcc	4m 14s
Ubuntu Build release:gcc-old	4m 23s
Ubuntu Build release:gcc-old-old	4m 52s
Ubuntu Build release:clang-old	5m 6s
Ubuntu Build release:clang-old-old	4m 52s
MacOS Build release:osx	3m 15s
MacOS Build release:osx-15	3m 27s
	2h 46m 15s

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