Extend popup functionality

[Seismix]

V1.4.0

What's New

• Patch notes viewer shows what's new in each version, accessible from the popup
• Back button navigation makes it easy to return from patch notes to the main popup
• Improved touch targets on mobile for better button and icon interactions
• Animation preferences control smooth scrolling to recaps with an enable animations toggle
• Scroll behavior can be adjusted to instant mode even after enabling animations

Fixes

• Popup layout and overflow handling works correctly on Android devices
• Icon components unified with consistent styling and variant support
• Settings loading logic streamlined to prevent unnecessary re-renders
• Scroll behavior respects animation settings and changes apply immediately
• Reduced motion preferences checked more reliably for accessibility
• Settings watching logic simplified for better performance across components

[Seismix]

Closes #99 , #105