chore: add extension for related DB assets on delete

[betodealmeida]

SUMMARY

Add an extension to show additional related assets when deleting a database.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A

TESTING INSTRUCTIONS

Updated unit tests.

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #24050 (0072e5b) into master (9681d85) will increase coverage by 0.03%.
The diff coverage is 71.12%.

❗ Current head 0072e5b differs from pull request most recent head 2800e19. Consider uploading reports for the commit 2800e19 to get more accurate results

@@            Coverage Diff             @@
##           master   #24050      +/-   ##
==========================================
+ Coverage   68.18%   68.22%   +0.03%     
==========================================
  Files        1941     1942       +1     
  Lines       75241    75196      -45     
  Branches     8158     8146      -12     
==========================================
- Hits        51306    51299       -7     
+ Misses      21852    21811      -41     
- Partials     2083     2086       +3     

Flag	Coverage Δ
javascript	54.52% <68.02%> (+0.03%)	⬆️
postgres	?

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

Impacted Files	Coverage Δ
...chart-controls/src/shared-controls/dndControls.tsx	58.33% <ø> (ø)
...set-ui-core/src/ui-overrides/ExtensionsRegistry.ts	100.00% <ø> (ø)
...ackages/superset-ui-core/src/utils/featureFlags.ts	100.00% <ø> (ø)
...n-chart-handlebars/src/plugin/controls/columns.tsx	15.78% <0.00%> (+0.78%)	⬆️
superset-frontend/src/SqlLab/App.jsx	0.00% <0.00%> (ø)
superset-frontend/src/SqlLab/actions/sqlLab.js	66.41% <ø> (-2.12%)	⬇️
...frontend/src/SqlLab/components/ResultSet/index.tsx	63.05% <ø> (+0.39%)	⬆️
...et-frontend/src/components/TableSelector/index.tsx	81.08% <0.00%> (+2.70%)	⬆️
...ontrols/DndColumnSelectControl/DndFilterSelect.tsx	42.97% <ø> (+0.69%)	⬆️
...controls/DndColumnSelectControl/DndSelectLabel.tsx	72.72% <ø> (-2.28%)	⬇️
... and 56 more

... and 22 files with indirect coverage changes

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