Fix ExpandedValue sanitization on struct collection #36724

Job	Run time
setup-environment	24s
unittest-matrix (ubuntu-latest, oldstable)	6m 48s
lint	14m 22s
test-coverage	11m 22s
govulncheck	3m 15s
checks	2m 22s
cross-build-collector (linux, amd64)	57s
cross-build-collector (linux, arm, 7)	54s
unittest-matrix (ubuntu-latest, stable)	7m 1s
cross-build-collector (darwin, amd64)	58s
cross-build-collector (windows, 386)	55s
cross-build-collector (linux, arm64)	1m 2s
cross-build-collector (linux, ppc64le)	56s
cross-build-collector (linux, 386)	58s
cross-build-collector (linux, riscv64)	1m 6s
cross-build-collector (darwin, arm64)	57s
cross-build-collector (aix, ppc64)	1m 0s
cross-build-collector (windows, arm64)	59s
cross-build-collector (linux, s390x)	57s
cross-build-collector (windows, amd64)	1m 0s
unittest	4s
	58m 17s

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