HTM-1995: prefix table in delete statement with schema when needed

[mprins]

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[Copilot]

Pull request overview

Updates attachment deletion SQL generation to include the database schema prefix when the datastore is configured with a non-empty schema, aligning it with the existing insert/query behavior in AttachmentsHelper.

Changes:

• Build the DELETE FROM ... statement after creating the JDBCDataStore, so the schema can be determined.
• Prefix {featureType}_attachments with {schema}. when ds.getDatabaseSchema() is non-empty.

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...api/geotools/featuresources/AttachmentsHelper.java	50%	0 Missing and 1 partial ⚠️

@@           Coverage Diff            @@
##             main   #1736     +/-   ##
========================================
+ Coverage       5%     76%    +71%     
  Complexity    146     146             
========================================
  Files         162     162             
  Lines        8212    8212             
  Branches      759     760      +1     
========================================
+ Hits          396    6225   +5829     
+ Misses       7783    1545   -6238     
- Partials       33     442    +409     

Files with missing lines	Coverage Δ	Complexity Δ
...api/geotools/featuresources/AttachmentsHelper.java	80% <50%> (+77%)	4 <0> (ø)

... and 140 files with indirect coverage changes

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[github-actions]

Test Results

486 tests   483 ✅  9m 17s ⏱️
 58 suites    2 💤
 58 files      1 ❌

For more details on these failures, see this check.

Results for commit 7ea63f4.