[Search] Add callout for unconnected connectors

[sphilipse]

Summary

This moves a callout for connectors that haven't been connected. It also makes the service type change local instead of remote. This does two things:

1. Make changing the service type not remove the callout (this happened because the API changes the status)
2. Prevent conflicts between the connector's local config and the service type in the document (the connector itself should set the service type)

[sphilipse]

@elasticmachine merge upstream

[kibana-ci]

💚 Build Succeeded

• Buildkite Build
• Commit: 5ba8c7e

Metrics [docs]

Async chunks

Total size of all lazy-loaded chunks that will be downloaded as the user navigates the app

id	before	after	diff
serverlessSearch	474.1KB	474.1KB	-10.0B

History

• 💔 Build #211299 failed 84e9b1d
• 💔 Build #211214 failed 381dfda
• 💔 Build #207230 failed 8e72518
• 💔 Build #206303 failed 74fa24f
• 💔 Build #206078 failed 214b0d3
• 💔 Build #205539 failed d74f190

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@elasticmachine merge upstream