Fix ExpandedValue sanitization on struct collection (#14413) #32399

Job	Run time
windows-unittest (windows-11-arm)	11m 3s
windows-service-test (windows-2022)	2m 53s
windows-service-test (windows-11-arm)	4m 11s
windows-unittest (windows-2025)	19m 49s
windows-unittest (windows-2022)	15m 30s
windows-service-test (windows-2025)	4m 8s
	57m 34s

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