⚡ Bolt: Optimize FlatList rendering with windowing props

[TargetMisser]

💡 What: Added React Native FlatList windowing props (initialNumToRender, windowSize, maxToRenderPerBatch, removeClippedSubviews) to lists in FlightScreen, PasswordScreen, and CalendarScreen.
🎯 Why: FlatList components without windowing props can consume excessive memory and CPU by attempting to render too many items at once, causing scrolling stutter and slow load times for large lists.
📊 Impact: Reduces memory footprint and main thread blockages by virtualizing off-screen list items and batching renders, resulting in smoother scrolling for long flight lists and password entries.
🔬 Measurement: Verify lists render correctly and check performance monitor for reduced UI thread drops during rapid scrolling.

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PR created automatically by Jules for task 3268121943266189223 started by @TargetMisser

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Project	Deployment	Actions	Updated (UTC)
flight-work-app	Ready	Preview, Comment, Open in v0	Apr 26, 2026 1:33am