SDK tries to fetch In App Messages on `IterableAPI.initialize` even if `email`, `userId` are nil and `enableEmbeddedMessaging = false`

[imostovyi-mwb]

Preconditions:

• Following the documentation: https://support.iterable.com/hc/en-us/articles/23061840746900-Embedded-Messages-with-Iterable-s-iOS-SDK#step-4-configure-the-sdk;
• config.enableEmbeddedMessaging is set to false;
• email and userId are nil;
• SDK v 6.5.7

Expectation: InAppMessages are not being fetched.

Result: Receiving error log RequestCreator:createGetInAppMessagesRequest(_:):240: Both email and userId are nil.

Happens on:

• IterableAPI.initialize;
• UIApplication.didBecomeActiveNotification.