[Sharepoint Server] Add RCF for Authentication type

[moxarth-rathod]

Summary

Related to elastic/connectors#2112. Adding a new RCF for authentication type having options as Basic Auth and NTLM Auth in the Sharepoint server connector.

Checklist

Delete any items that are not applicable to this PR.

• Any text added follows EUI's writing guidelines, uses sentence case text and includes i18n support

For maintainers

• This was checked for breaking API changes and was labeled appropriately

[kibana-ci]

💚 Build Succeeded

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• Commit: d909cc5

Metrics [docs]

Public APIs missing comments

Total count of every public API that lacks a comment. Target amount is 0. Run node scripts/build_api_docs --plugin [yourplugin] --stats comments for more detailed information.

id	before	after	diff
@kbn/search-connectors	3915	3929	+14

Async chunks

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

id	before	after	diff
enterpriseSearch	2.6MB	2.6MB	+621.0B
serverlessSearch	326.3KB	326.6KB	+387.0B
total			+1008.0B

Unknown metric groups

API count

id	before	after	diff
@kbn/search-connectors	3915	3929	+14

History

• 💚 Build #223723 succeeded 69bb446
• 💔 Build #223481 failed 85496d9
• 💔 Build #223427 failed 3899b80
• 💔 Build #223388 failed c8cb1dd

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