Move out argsort from numba to speed up #494

Job	Run time
Run py eddy tracker build tests (ubuntu-latest, 3.10)	40s
Run py eddy tracker build tests (ubuntu-latest, 3.11)	37s
Run py eddy tracker build tests (ubuntu-latest, 3.12)	39s
Run py eddy tracker build tests (windows-latest, 3.10)	1m 45s
Run py eddy tracker build tests (windows-latest, 3.11)	2m 28s
Run py eddy tracker build tests (windows-latest, 3.12)	2m 28s
	8m 37s

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