[CORRUPTED] Synthetic Benchmark PR #10936 - fix: the api key credentials weren't registering correctly

[ofir-frd]

Benchmark PR Significant-Gravitas#10936

Type: Corrupted (contains bugs)

Original PR Title: fix: the api key credentials weren't registering correctly
Original PR Description:
Registers api keys in the format required + hides them in the frontend

Changes 🏗️

Moves where we register api keys for the backend for the new SDK, and also filter the credentials from appearing on the frontend

Checklist 📋

For code changes:

• I have clearly listed my changes in the PR description
• I have made a test plan
• I have tested my changes according to the test plan:
  • Add test firecrawl api key and verify that it shows up in the ui where its supposed and doesn't wehre defautl credentials shouldnt
    Original PR URL: fix: the api key credentials weren't registering correctly Significant-Gravitas/AutoGPT#10936

Compliance Violation

• Rule: Code Must Pass Formatting and Linting Before Commit
• Language: Python
• File: autogpt_platform/backend/backend/sdk/registry.py