Explore: update dataset configurator

[Maosaic]

Description

Introduce a V2 dataset configurator that allow saving dataset when dataset creation.

Enable V2 dataset configurator in Explore

Issues Resolved

Screenshot

Screen.Recording.2025-10-08.at.3.34.49.PM.mp4

Testing the changes

Changelog

• feat: Allow saving dataset from dataset configurator

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

[codecov]

Codecov Report

❌ Patch coverage is 57.03125% with 55 lines in your changes missing coverage. Please review.
✅ Project coverage is 60.23%. Comparing base (27aecea) to head (e554ded).
⚠️ Report is 7 commits behind head on main.

Files with missing lines	Patch %	Lines
.../dataset_selector/configurator/configurator_v2.tsx	55.40%	21 Missing and 12 partials ⚠️
...s/data/public/ui/dataset_select/dataset_select.tsx	59.52%	12 Missing and 5 partials ⚠️
...ry/query_string/dataset_service/dataset_service.ts	70.00%	1 Missing and 2 partials ⚠️
...a/public/ui/dataset_selector/advanced_selector.tsx	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #10690      +/-   ##
==========================================
+ Coverage   60.18%   60.23%   +0.05%     
==========================================
  Files        4444     4445       +1     
  Lines      118939   119031      +92     
  Branches    19585    19617      +32     
==========================================
+ Hits        71579    71698     +119     
+ Misses      42419    42367      -52     
- Partials     4941     4966      +25     

Flag	Coverage Δ
Linux_1	26.60% <1.16%> (-0.03%)	⬇️
Linux_2	38.82% <ø> (-0.01%)	⬇️
Linux_3	38.79% <57.03%> (+0.11%)	⬆️
Linux_4	32.82% <1.16%> (-0.04%)	⬇️
Windows_1	26.61% <1.16%> (-0.03%)	⬇️
Windows_2	38.80% <ø> (-0.01%)	⬇️
Windows_3	38.79% <57.03%> (+0.11%)	⬆️
Windows_4	32.82% <1.16%> (-0.04%)	⬇️

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