ENG-2810: Update IDP monitor result labels to Known/Unknown Systems

[dsill-ethyca]

Ticket ENG-2810

Description Of Changes

Update the action center monitor result description labels for infrastructure (IDP) monitors. The API returns known and unknown keys in the updates object, which were previously displayed as raw keys. This adds proper display name mappings:

• known → "Known System" / "Known Systems"
• unknown → "Unknown System" / "Unknown Systems"

Also updates the InfrastructureMonitorUpdates type to match the actual API response shape (known/unknown instead of okta_app).

Code Changes

• clients/admin-ui/src/features/data-discovery-and-detection/action-center/constants.ts - Add display name mappings and sort order entries for known/unknown keys; widen MONITOR_UPDATE_NAMES type to include InfrastructureMonitorUpdates
• clients/admin-ui/src/types/api/models/InfrastructureMonitorUpdates.ts - Update type to reflect actual API response (known/unknown instead of okta_app)

Steps to Confirm

1. Navigate to the Action Center (/data-discovery/action-center)
2. Observe infrastructure monitor results show "Known Systems" and "Unknown Systems" labels instead of raw known/unknown keys

Pre-Merge Checklist

• Issue requirements met
• All CI pipelines succeeded
• CHANGELOG.md updated
  • Updates unreleased work already in Changelog, no new entry necessary
• UX feedback:
  • All UX related changes have been reviewed by a designer
• Followup issues:
  • No followup issues
• Database migrations:
  • No migrations
• Documentation:
  • No documentation updates required

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Project	Deployment	Actions	Updated (UTC)
fides-plus-nightly	Ready	Preview, Comment	Mar 6, 2026 4:17pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
fides-privacy-center	Ignored		Mar 6, 2026 4:17pm

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