in_windows_exporter_metrics: fix collecting tcp metrics [Backport to 5.0]

[cosmo0920]

Backporting of #12472.

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[chatgpt-codex-connector]

Codex Review Summary

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Review	Status	Commit	Review trigger
📝 Code Review	✅ Completed 2026-10-06T05:21:03.252383Z	c0b988d	PR opened

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