Fix Privacy Manifest generator when it does not contain a NSPrivacyAccessedAPITypes key

[renchap]

Summary:

XCode privacy files might not contain a NSPrivacyAccessedAPITypes key, which causes the following error:

[!] An error occurred while processing the post-install hook of the Podfile.

undefined method `each' for nil

node_modules/react-native/scripts/cocoapods/privacy_manifest_utils.rb:111:in `block (4 levels) in get_used_required_reason_apis'
node_modules/react-native/scripts/cocoapods/privacy_manifest_utils.rb:106:in `each'
node_modules/react-native/scripts/cocoapods/privacy_manifest_utils.rb:106:in `block (3 levels) in get_used_required_reason_apis'

Changelog:

[IOS] [FIXED] - Privacy Manifest aggregation failing due to no NSPrivacyAccessedAPITypes key

Test Plan:

I tested this patch on our own app and it solved the issue.

[cipolleschi]

Uhm... I'm a bit confused. How are you hitting this?
The template has that key and it is empty to start with, so you should not hit this error.

[renchap]

I am not sure what package causes it, but I have been hitting this after my last set of dependency updates.

I can provide my Podfile.lock if you ping me on the contrib Discord :)

[cipolleschi]

oh, so it comes from a 3rd party library that has its own manifest. I understand!

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@cipolleschi has imported this pull request. If you are a Meta employee, you can view this diff on Phabricator.

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@cipolleschi merged this pull request in fc4e099.

[github-actions]

This pull request was successfully merged by @renchap in fc4e099.

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