update internal orchestrator modes definitions to remove tool access

[hannesrudolph]

Important

Removes tool access for issue-fixer-orchestrator and pr-fixer-orchestrator modes in .roomodes.

• Behavior:
  • Removes tool access for issue-fixer-orchestrator and pr-fixer-orchestrator modes by setting groups to an empty list in .roomodes.
• Misc:
  • Minor whitespace change in .roomodes.

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[delve-auditor]

✅ No security or compliance issues detected. Reviewed everything up to a7fd789.

Security Overview

• 🔎 Scanned files: 1 changed file(s)

Detected Code Changes

Change Type	Relevant files
Refactor	► .roomodes     Reordered orchestrator mode definitions     Updated groups field to empty lists for consistency

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[Copilot]

Pull Request Overview

This PR updates internal orchestrator mode definitions to remove tool access by clearing the groups field and adjusting the ordering.

• Removed the original issue-fixer-orchestrator block and re-added it with empty groups.
• Updated pr-fixer-orchestrator to disable tool-related groups and added source: project.