[8.12] [Enterprise Search] Update name of connector config final step (#173366)

[kibanamachine]

Backport

This will backport the following commits from main to 8.12:

• [Enterprise Search] Update name of connector config final step (#173366)

Questions ?

Please refer to the Backport tool documentation

[kibana-ci]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 855d10f

Failed CI Steps

• FTR Configs #22
• Osquery Cypress Tests #2

Test Failures

• [job] [logs] FTR Configs #22 / Serverless Common UI - Management Index Templates Create index template "after all" hook for "Creates index template"
• [job] [logs] FTR Configs #22 / Serverless Common UI - Management Index Templates Create index template Creates index template

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
enterpriseSearch	2.7MB	2.7MB	-16.0B

To update your PR or re-run it, just comment with:
@elasticmachine merge upstream

cc @leemthompo