[Backport 2.x] Support injecting DataStructureMeta from QueryEditorExtensions for Query Assist

[opensearch-trigger-bot]

Backport 9bc2433 from #7871.

[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 13.15789% with 33 lines in your changes missing coverage. Please review.

Project coverage is 64.27%. Comparing base (8c779c1) to head (454c7e1).
Report is 1 commits behind head on 2.x.

Files with missing lines	Patch %	Lines
...ic/query/query_string/dataset_service/lib/utils.ts	6.25%	15 Missing ⚠️
...nts/public/query_assist/utils/create_extension.tsx	22.22%	14 Missing ⚠️
...y_string/dataset_service/lib/index_pattern_type.ts	0.00%	2 Missing ⚠️
...ery/query_string/dataset_service/lib/index_type.ts	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.x    #7888      +/-   ##
==========================================
- Coverage   64.28%   64.27%   -0.02%     
==========================================
  Files        3658     3659       +1     
  Lines       80790    80813      +23     
  Branches    12865    12867       +2     
==========================================
+ Hits        51936    51941       +5     
- Misses      25672    25690      +18     
  Partials     3182     3182              

Flag	Coverage Δ
Linux_1	30.32% <5.00%> (-0.01%)	⬇️
Linux_2	56.04% <ø> (ø)
Linux_3	40.70% <5.00%> (-0.02%)	⬇️
Linux_4	31.54% <13.15%> (-0.01%)	⬇️
Windows_1	30.34% <5.00%> (-0.01%)	⬇️
Windows_2	55.99% <ø> (ø)
Windows_3	40.70% <5.00%> (-0.02%)	⬇️
Windows_4	31.54% <13.15%> (-0.01%)	⬇️

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