Fix bug in changing macOS version

• Fixes a bug where changing osNameID on the Firmwares tab did not reload the installer catalog
• Added macOS 14.0 availability check to handle different onChange closure signatures
• Version bump from to 4.5.3 (build 253)

Sparkle version

• Download.Full.Installer-4.5.3-sparkle.zip is a version that keeps Sparkle as the updater, for those users who prefer this option