Fix ExpandedValue sanitization on struct collection #32394

Job	Run time
windows-unittest (windows-11-arm)	11m 44s
windows-service-test (windows-2022)	2m 58s
windows-unittest (windows-2025)	16m 56s
windows-unittest (windows-2022)	16m 0s
windows-service-test (windows-2025)	3m 12s
windows-service-test (windows-11-arm)	3m 27s
	54m 17s

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