Add check to stop being able to drop whatever cluster data on scatterplot data #728

Job	Run time
prepare_matrix	4s
Cross platform build (Windows-msvc2022, windows-2022, msvc-2022, 17, MD, Release)	56s
Cross platform build (Linux_gcc13, ubuntu-24.04, gcc, g++, gcc, 13, Release, Linux, libstdc++11, ...	53s
Cross platform build (Macos_xcode14.3, macos-13, apple-clang, 14, Release, Macos, 14.3, libc++, x...	48s
Cross platform build (Macos_xcode16, macos-15, apple-clang, 16, Release, Macos, 16.2, libc++, armv8)	44s
	3m 25s

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