Orbit v0.5.9

Bug Fix

• Fixed a critical bug where running unit tests could overwrite user configuration data, causing all environments to be lost on upgrade

This release also includes all v0.5.8 changes:

• Fixed variable substitution partial matching ($IP inside $IP3)
• Fixed race condition when quitting during environment activation
• Fixed process PATH being overwritten
• Improved SwiftUI performance by decoupling log storage
• Automatic config backup, stale alias cleanup, standardized logging
• Expanded test coverage from 20 to 50 tests