Fix PreparedPolygonContains for GC with MultiPoint (#1008) #2477

Job	Run time
Linux (g++, Coverage, 11, 64, g++, 3.15.*, ubuntu-latest)	5m 41s
Windows (mingw-w64, Debug, 11, x86_64, windows-2019)	14m 9s
Windows (mingw-w64, Release, 11, x86_64, windows-2019)	9m 48s
Linux (clang++, Release, 11, 64, clang, 3.17.*, ubuntu-latest)	5m 6s
Windows (Visual Studio 2019, Release, windows-2019)	9m 7s
Linux (clang++, Release, 11, 64, clang, 3.17.*, ubuntu-latest)	5m 3s
Windows (Visual Studio 2022, Release, windows-2022)	8m 58s
Linux (clang++, Release, 11, 64, g++, 3.17.*, -DDISABLE_GEOS_INLINE=ON, ubuntu-latest)	4m 57s
Linux (clang++, Debug, 11, 64, clang, 3.17.*, ubuntu-20.04)	5m 34s
Linux (clang++, Release, 14, 64, clang, 3.17.*, ubuntu-latest)	5m 27s
	1h 13m 50s

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