🧹 [Code Health] Replace NSAppleScript with native AXUIElement in getDockRects

[hatimhtm]

🎯 What: The getDockRects() method in Click2Minimize/AppDelegate.swift has been refactored to use native macOS APIs (AXUIElement and NSRunningApplication) instead of relying on NSAppleScript.

💡 Why: NSAppleScript is slow to compile and execute, especially when called repeatedly to query Dock item layouts. By using the native Accessibility APIs directly, we avoid the overhead of AppleScript compilation, inter-process communication overhead with "System Events", and significantly improve the performance and maintainability of the codebase.

✅ Verification:

1. Replaced the NSAppleScript implementation using a Python manipulation script to ensure precise replacement without introducing typos.
2. Verified the file structurally via cat Click2Minimize/AppDelegate.swift.
3. Ran ./test_build_dmg.sh to ensure the Swift files remain syntactically sound in the mocked CI build environment. All tests passed.
4. Cleaned up all temporary Python scripts used for manipulation and restored dist/Click2Minimize.dmg so that the commit is clean.

✨ Result: A much cleaner, robust, and performant approach to querying Dock items without relying on slow AppleScript execution.

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PR created automatically by Jules for task 8338405162073594645 started by @hatimhtm

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