Test

Add density mode to render_points #1635

Job	Run time
get-environments	12s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	2m 28s
hatch-test.py3.14-stable	6m 5s
hatch-test.py3.11-stable	4m 34s
Tests pass in all hatch environments	2s
	13m 21s

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