[Autocomplete - SQL] Minor interface change to add suggestion type and move suggestion provider registration location

[mengweieric]

Description

SQL autocomplete feature

• Move registration
• Change interface to add details as type

Issues Resolved

N/A

Screenshot

Testing the changes

Changelog

• feat: Minor interface change and move suggestion provider registration location

Check List

• All tests pass
  • yarn test:jest
  • yarn test:jest_integration
• New functionality includes testing.
• New functionality has been documented.
• Update CHANGELOG.md
• Commits are signed per the DCO using --signoff

[github-actions]

❌ Empty Changelog Section

The Changelog section in your PR description is empty. Please add a valid changelog entry or entries. If you did add a changelog entry, check to make sure that it was not accidentally included inside the comment block in the Changelog section.

[codecov]

Codecov Report

Attention: Patch coverage is 33.33333% with 2 lines in your changes missing coverage. Please review.

Please upload report for BASE (feature/autocomplete-2.0@389ad1b). Learn more about missing BASE report.

Files	Patch %	Lines
...ata/public/antlr/opensearch_sql/code_completion.ts	0.00%	2 Missing ⚠️

Additional details and impacted files

@@                     Coverage Diff                     @@
##             feature/autocomplete-2.0    #7758   +/-   ##
===========================================================
  Coverage                            ?   63.82%           
===========================================================
  Files                               ?     3651           
  Lines                               ?    80994           
  Branches                            ?    12895           
===========================================================
  Hits                                ?    51698           
  Misses                              ?    26128           
  Partials                            ?     3168           

Flag	Coverage Δ
Linux_1	30.08% <33.33%> (?)
Linux_2	55.89% <ø> (?)
Linux_3	40.44% <33.33%> (?)
Linux_4	31.32% <33.33%> (?)
Windows_1	30.09% <33.33%> (?)
Windows_2	55.85% <ø> (?)
Windows_3	40.44% <33.33%> (?)
Windows_4	31.32% <33.33%> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.