fix: include path in MF2 remote public path

[jbroma]

Summary

This PR fixes the incorrect URL rebasing when resolving MF2 remotes. Previously we were only replacing the base URL (without path) and this caused a regression when publicPath of a remote is set to a URL with a path (e.g. http://localhost:8081/ios).

Since all MF2 assets are always generated with a flat directory structure (meaning they will all exist next to each other, in the same directory), we can take the last part of the URL (after last '/') and rebase it onto the publicPath of an entrypoint of a remote.

Examples:

URL Type	Example 1	Example 2
Initial URL	noop:///asset.js	http://localhost:8081/ios/chunk.js
Entry URL	https://example.com/ios/mf-manfiest.js	https://example.com/ios/entry.js
Target URL	https://example.com/ios/asset.js	https://example.com/ios/chunk.js

Test plan

• - tests pass
• - testers work with both manifests and containers as entrypoints

[changeset-bot]

🦋 Changeset detected

Latest commit: 98341ef

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 6 packages

Name	Type
@callstack/repack	Patch
@callstack/repack-plugin-expo-modules	Patch
@callstack/repack-plugin-nativewind	Patch
@callstack/repack-plugin-reanimated	Patch
@callstack/repack-dev-server	Patch
@callstack/repack-init	Patch

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