Fix ExpandedValue sanitization on struct collection #36675

Job	Run time
setup-environment	21s
lint	15m 3s
govulncheck	3m 19s
checks	2m 21s
unittest-matrix (ubuntu-latest, stable)	6m 55s
unittest-matrix (ubuntu-latest, oldstable)	6m 59s
test-coverage	11m 7s
cross-build-collector (linux, riscv64)	59s
cross-build-collector (darwin, amd64)	56s
cross-build-collector (linux, amd64)	1m 0s
cross-build-collector (windows, arm64)	54s
cross-build-collector (aix, ppc64)	1m 0s
cross-build-collector (linux, arm64)	55s
cross-build-collector (linux, arm, 7)	58s
cross-build-collector (linux, s390x)	1m 0s
cross-build-collector (darwin, arm64)	55s
cross-build-collector (windows, 386)	55s
cross-build-collector (linux, ppc64le)	1m 0s
cross-build-collector (windows, amd64)	56s
cross-build-collector (linux, 386)	59s
unittest	4s
	58m 36s

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