[Bug]: External ID being removed from subscription when the app is suspended on iOS

[AceNorth]

What happened?

We're seeing an issue on iOS where the external ID is removed from an existing subscription when the app is backgrounded.

Steps to reproduce?

I was seeing this happen on the subscription dashboard, so I added this event listener to debug:

const listener = (event: UserChangedState) => {
      console.log('User changed, externalId: ' + event.current.externalId);
      console.log('User changed, onesignalId: ' + event.current.onesignalId);
    };

When the app is suspended (when the user enters the App Switching view, before the app is even backgrounded) I see an event come in where onesignalId is present but externalId is null. Then the externalId is removed from the subscription record on the dashboard, without us calling any OneSignal methods in the code.

What did you expect to happen?

As I understand it, the external ID should remain associated with the subscription unless we call OneSignal.logout.

React Native OneSignal SDK version

5.2.5

Which platform(s) are affected?

• iOS
• Android

Relevant log output

No response

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