Optimize DB access for terminated task check

[galvana]

Closes LJ-450

Description Of Changes

Updating the way we check for in progress request tasks to reduce the amount of DB reads

Code Changes

• Adding tests

Steps to Confirm

1. Follow steps from Re-queue interrupted Celery tasks #5800

Pre-Merge Checklist

• Issue requirements met
• All CI pipelines succeeded
• CHANGELOG.md updated
  • Add a db-migration This indicates that a change includes a database migration label to the entry if your change includes a DB migration
  • Add a high-risk This issue suggests changes that have a high-probability of breaking existing code label to the entry if your change includes a high-risk change (i.e. potential for performance impact or unexpected regression) that should be flagged
• Followup issues:
  • Followup issues created (include link)
  • No followup issues
• Database migrations:
  • Ensure that your downrev is up to date with the latest revision on main
  • Ensure that your downgrade() migration is correct and works
    • If a downgrade migration is not possible for this change, please call this out in the PR description!
  • No migrations
• Documentation:
  • Documentation complete, PR opened in fidesdocs
  • Documentation issue created in fidesdocs
  • If there are any new client scopes created as part of the pull request, remember to update public-facing documentation that references our scope registry
  • No documentation updates required

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
fides-privacy-center	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 28, 2025 5:18pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
fides-plus-nightly	⬜️ Ignored (Inspect)	Visit Preview		Feb 28, 2025 5:18pm

[codecov]

Codecov Report

Attention: Patch coverage is 14.70588% with 29 lines in your changes missing coverage. Please review.

Project coverage is 86.97%. Comparing base (1cf38cd) to head (636856a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...des/api/service/privacy_request/request_service.py	14.70%	29 Missing ⚠️

❌ Your patch status has failed because the patch coverage (14.70%) is below the target coverage (100.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5825      +/-   ##
==========================================
- Coverage   86.99%   86.97%   -0.02%     
==========================================
  Files         407      407              
  Lines       25012    25021       +9     
  Branches     2697     2696       -1     
==========================================
+ Hits        21759    21762       +3     
- Misses       2670     2676       +6     
  Partials      583      583              

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[cypress]

fides    Run #12609

Run Properties:   Passed #12609  •  a1d73ad38c: Optimize DB access for terminated task check (#5825)

Project	fides
Branch Review	main
Run status	Passed #12609
Run duration	00m 49s
Commit	a1d73ad38c: Optimize DB access for terminated task check (#5825)
Committer	Adrian Galvan
View all properties for this run ↗︎

---

Test results
Failures	0
Flaky	0
Pending	0
Skipped	0
Passing	5
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View all changes introduced in this branch ↗︎