feat: extension hook for DB delete

[betodealmeida]

SUMMARY

Adds a simple onDelete callback for DB extra option extensions.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A

TESTING INSTRUCTIONS

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 #24191 (f48b553) into master (bc0079f) will decrease coverage by 0.69%.
The diff coverage is 50.00%.

❗ Current head f48b553 differs from pull request most recent head 8f981f8. Consider uploading reports for the commit 8f981f8 to get more accurate results

@@            Coverage Diff             @@
##           master   #24191      +/-   ##
==========================================
- Coverage   68.29%   67.61%   -0.69%     
==========================================
  Files        1955     1955              
  Lines       75506    75510       +4     
  Branches     8223     8224       +1     
==========================================
- Hits        51564    51053     -511     
- Misses      21834    22348     +514     
- Partials     2108     2109       +1     

Flag	Coverage Δ
javascript	54.69% <50.00%> (-0.01%)	⬇️
mysql	?
postgres	?

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

Impacted Files	Coverage Δ
...set-ui-core/src/ui-overrides/ExtensionsRegistry.ts	100.00% <ø> (ø)
superset-frontend/src/pages/DatabaseList/index.tsx	65.45% <50.00%> (-0.59%)	⬇️

... and 37 files with indirect coverage changes

📣 We’re building smart automated test selection to slash your CI/CD build times. Learn more