Add inferred then observed types

[Apmats]

Closes https://github.com/elastic/connectors-py/issues/###

Checklists

Pre-Review Checklist

• this PR does NOT contain credentials of any kind, such as API keys or username/passwords (double check config.yml.example)
• this PR has a meaningful title
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• Covered the changes with automated tests
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• if you added or changed Rich Configurable Fields for a Native Connector, you made a corresponding PR in Kibana

Changes Requiring Extra Attention

• Security-related changes (encryption, TLS, SSRF, etc)
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Related Pull Requests

Release Note