StreamToDataSet: if n_max is set, produce only one DataSet with maxim… #1799

Job	Run time
Update the docker container if it is modified	4s
gcc-14 \| Release	5h 51m 1s
gcc-14 \| Debug	2h 51m 29s
gcc-13 \| Release	1h 17m 40s
gcc-13 \| Debug	1h 14m 55s
clang-18, \| Release	1h 8m 49s
clang-18, \| Debug	1h 32m 0s
emcc \| Release	1h 34m 37s
emcc \| Debug	1h 22m 35s
	16h 53m 10s

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