Restore SSH Configuration UI to Settings page

- Added SSH Configuration tab with host key policy management
- Implemented known hosts table with fingerprint display
- Added trusted networks configuration for bypass_trusted mode
- Enhanced Security tab with logging policy management
- Added compliance framework support display (SOC2, HIPAA, PCI-DSS, GDPR)
- Connected to existing backend SSH settings API endpoints
- Supports strict/auto_add/bypass_trusted SSH host key policies

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Co-Authored-By: Claude <noreply@anthropic.com>

Author: remyluslosius