🧪 [testing improvement] Add tests for ContentView UserDefaults logic

[hatimhtm]

🎯 What: Added tests to verify the UserDefaults initialization logic in ContentView.

📊 Coverage: Tested that isClickToMinimizeEnabled defaults to true when UserDefaults is empty, and correctly respects existing true or false values in UserDefaults.

✨ Result: Increased test coverage for the ContentView state initialization logic, ensuring that the app respects user settings properly.

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PR created automatically by Jules for task 17629793769797822633 started by @hatimhtm

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