Ensure downsample works with non-contiguous arrays #2915

Job	Run time
Setup workflow	5s
Pixi lock	10s
Run pre-commit	18s
ui:test-ui:ubuntu-latest	2m 7s
core:test-core:ubuntu-latest	2m 43s
unit:test-39:ubuntu-latest	16m 49s
unit:test-312:ubuntu-latest	18m 15s
unit:test-39:macos-latest	11m 50s
unit:test-312:macos-latest	14m 21s
unit:test-39:windows-latest	25m 19s
unit:test-312:windows-latest	32m 16s
unit:test-numpy:ubuntu-latest	17m 35s
	2h 21m 48s

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