feat: null nan support #259

Job	Run time
repo	1m 55s
playwright (dev-env, 1, 4)	4m 23s
unit (core)	56s
playwright (dev-env, 2, 4)	5m 33s
unit (core-util)	55s
playwright (dev-env, 3, 4)	6m 15s
unit (dashboard)	3m 14s
playwright (dev-env, 4, 4)	4m 44s
unit (data-mocked)	55s
playwright (react-components, 1, 1)	2m 13s
unit (dev-env)	1m 40s
playwright (scene-composer, 1, 1)	3m 53s
unit (doc-site)	1m 34s
unit (react-components)	3m 35s
unit (scene-composer)	5m 22s
unit (source-iotsitewise)	1m 23s
unit (source-iottwinmaker)	1m 10s
unit (tools-iottwinmaker)	1m 7s
	50m 47s

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