[0.86] Escape local file URIs for unicode paths

[cipolleschi]

Target Branch

0.86

Link to commit or PR to be picked

facebook/react-native@9563cb5

Description

facebook/react-native#56878 shows that using unicode characters in paths fails with pod install. Expo fixed this internally here: expo/expo#45779.

This commit build local file:// sources through a shared helper that percent-encodes filesystem paths before passing them to URI::File.build. This avoids Ruby/CocoaPods URI failures when React Native projects or local prebuilt tarballs live under paths containing Unicode characters or spaces.

Apply the helper to RNCore and ReactNativeDependencies local tarball sources, including RNCore dSYM-processed prebuilt paths, while leaving remote Maven and Sonatype URLs unchanged.

Add focused coverage for Unicode, spaces, ASCII paths, and the raw URI::File.build regression case.

[github-actions]

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