feat: stealth mode

[pwltr]

Description

Adds 'Stealth Mode' which makes the app look like a calculator where you can enter PIN.

• add Calculator screen (only shown on app start when enabled)
• add Settings -> Security -> Stealth Mode screen
• app icons: add react-native-change-icon and rename/remove some icons
• add enableStealthMode settings field + migration
• fix <Switch /> missing disabled style on Android

Linked Issues/Tasks

Closes #2059

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Refactoring (improving code without creating new functionality)

Tests

• Detox test
• Unit test
• No test

Screenshot / Video

Simulator.Screen.Recording.-.iPhone.15.-.2024-08-17.at.13.29.27.mp4

QA Notes

Make sure app icon is always the correct one (after reset etc.)

[socket-security]

New and removed dependencies detected. Learn more about Socket for GitHub ↗︎

Package	New capabilities	Transitives	Size	Publisher
npm/[email protected]	None	0	31 kB	skb1129

🚮 Removed packages: npm/[email protected]

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