fix: Null schema issue in the list of saved queries.

[codemaster08240328]

SUMMARY

Database schema is displayed as null in the list of saved queries.
It should be displayed according to the schema selected in sql editor.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

BEFORE & AFTER updates:

TESTING INSTRUCTIONS

1. Go to SQL Editor
2. Run any query and save it
3. Go to the Saved Queries page
4. Check the database schema of newly saved query.

[codemaster08240328]

/testenv up

[github-actions]

@codemaster08240328 Ephemeral environment creation is currently limited to committers.

[codecov]

Codecov Report

Merging #18849 (b750ad7) into master (4c16586) will decrease coverage by 0.00%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##           master   #18849      +/-   ##
==========================================
- Coverage   66.36%   66.36%   -0.01%     
==========================================
  Files        1620     1621       +1     
  Lines       63045    63059      +14     
  Branches     6377     6382       +5     
==========================================
+ Hits        41842    41848       +6     
- Misses      19544    19549       +5     
- Partials     1659     1662       +3     

Flag	Coverage Δ
javascript	51.24% <50.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
...d/src/SqlLab/components/SqlEditorLeftBar/index.tsx	56.66% <50.00%> (-0.48%)	⬇️
...board/components/nativeFilters/FilterBar/index.tsx	66.94% <0.00%> (-2.88%)	⬇️
...d/components/DashboardBuilder/DashboardBuilder.tsx	72.72% <0.00%> (-2.57%)	⬇️
...eFilters/FiltersConfigModal/FiltersConfigModal.tsx	77.57% <0.00%> (-1.82%)	⬇️
superset-frontend/src/dashboard/constants.ts	100.00% <0.00%> (ø)
superset-frontend/src/components/Button/index.tsx	100.00% <0.00%> (ø)
...ts/nativeFilters/FilterBar/ActionButtons/index.tsx	85.71% <0.00%> (ø)
superset-frontend/src/utils/common.js	89.47% <0.00%> (+0.18%)	⬆️
...ilters/FilterBar/FilterControls/FilterControls.tsx	77.77% <0.00%> (+0.63%)	⬆️
...nents/nativeFilters/FilterBar/FilterSets/index.tsx	37.66% <0.00%> (+0.82%)	⬆️
... and 1 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 4c16586...b750ad7. Read the comment docs.

[kgabryje]

Lgtm, thanks for the fix!