fix: client side errors from unexpected null/undefined values #378

Job	Run time
repo	36s
smoke-test	5m 11s
playwright (dev-env, 1, 4)	4m 8s
unit (core)	42s
playwright (dev-env, 2, 4)	5m 20s
unit (core-util)	44s
playwright (dev-env, 3, 4)	6m 23s
unit (dashboard)	3m 14s
playwright (dev-env, 4, 4)	4m 6s
unit (data-mocked)	42s
playwright (react-components, 1, 1)	2m 49s
unit (dev-env)	1m 40s
playwright (scene-composer, 1, 1)	4m 17s
unit (doc-site)	1m 39s
unit (react-components)	2m 32s
unit (scene-composer)	5m 21s
unit (source-iotsitewise)	1m 24s
unit (source-iottwinmaker)	44s
unit (tools-iottwinmaker)	45s
	52m 17s

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