chore: sync upstream PR #8527 - fix(ios): adopt UIScene life cycle in default iOS app templates - #84

Merge Conflict Resolution Required

The sync of upstream PR ionic-team#8527 from @nilspep encountered merge conflicts.

Original PR: ionic-team#8527

What happened

• Claude Code attempted to resolve the merge conflicts
• This PR was created so CI and manual review can finish the sync safely

Synced from upstream by Capacitor+ Bot

Summary by CodeRabbit

• New Features

  • Added support for retrieving decimal configuration values in Android and iOS plugins.
  • Expanded iOS Swift Package Manager configuration with symlinks and module aliases.
  • Updated iOS app templates with modern scene lifecycle support.
  • Improved Android system bar and safe-area inset handling, including configurable CSS or disabled modes.

• Bug Fixes

  • Live-reload settings now revert correctly when commands fail.
  • Improved Android photo capture URI permissions.

• Release

  • Updated packages and release notes to version 8.4.1.