Test

Deduplicate shared logic between _render_shapes and _render_points #1278

Job	Run time
get-environments	8s
hatch-test.py3.14-stable	5m 9s
hatch-test.py3.11-stable	3m 40s
hatch-test.py3.14-pre (PRE-RELEASE DEPENDENCIES)	3m 5s
Tests pass in all hatch environments	4s
	12m 6s

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