iOS: Set `RCTBundleConfiguration` on `RCTReactNativeFactory` and pass it down to the `RCTHost` (#54256)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/54256

## Summary

In this diff the `RCTBundleConfiguration` is set on the `RCTReactNativeFactory` and passed down to the `RCTHost` instance where it is set on the bundle manager. The diff prepares bundle config for final usage by packager connection and bundle loader.

## Changelog

[IOS][CHANGED] - Add `RCTBundleConfiguration` property on `RCTReactNativeFactory` and pass it down to `RCTHost`.

Reviewed By: cipolleschi

Differential Revision: D85247248

fbshipit-source-id: a2403ea0247cd8f0aedfffc1eafda1f98b265061