Return original error when retrying TLS connection with system wide CA set #7414
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Description of change
There is a fallback to system CA set if root CA is set and server cert fails verification. If it fails we should return original error as it's more specific. This is especially important on Windows as with current code a certificate that's expired but is correctly signed by custom CA will fail as unsigned (by system CA) instead of expired.
QA steps
Check TestUpdateCert unit test on Windows.