fix: tree pagination [ENG-1928]

[speaker-ender]

Ticket ENG-1928

Description Of Changes

Fixes bug where the "first" level of pagination wasn't triggering a request for the next set of results

Code Changes

• Executing the function to find a parent node on the initial data before reducing

Steps to Confirm

1. Visit the monitor fields screen with a dataset that contains more than 100 items at the first level of the tree
2. Click the "Show more" button
3. Confirm that it sends the request and populates the tree with the additional elements

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
  • Updates unreleased work already in Changelog, no new entry necessary
• UX feedback:
  • All UX related changes have been reviewed by a designer
  • No UX review needed
• Followup issues:
  • Followup issues created
  • 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

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Project	Deployment	Preview	Comments	Updated (UTC)
fides-plus-nightly	Ready	Preview	Comment	Nov 19, 2025 2:57pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
fides-privacy-center	Ignored			Nov 19, 2025 2:57pm

[greptile-apps]

Greptile Summary

• Fixed bug where "Show more" button at the first level of the tree wasn't triggering pagination requests by ensuring parent node lookup checks the current data array before recursing into nested children
• Updated recFindNodeParent function to call findNodeParent(data, key) before the reduce operation, enabling correct parent resolution for root-level pagination

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• The fix is a small, targeted change that correctly addresses the pagination bug by adding a parent lookup at the current level before recursing. The logic is sound and the change is well-contained with no side effects.
• No files require special attention

[greptile-apps]

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[jpople]

Tested locally, confirmed issue is fixed.