[Telemetry] Validate ES and SO clients status before fetching telemetry #136748
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Summary
Fetching the Snapshot telemetry report can be very noisy in the logs if ES or the SO services are done. With so many collectors relying on those clients, they suddenly log many connection errors.
This PR checks the status of those services before generating the Snapshot Telemetry report.
Resolves #97788
Resolves #89588
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