productIdentifier null or empty in Purchases.PurchasePackage callback

[Nyankoo]

• I have updated Purchases SDK to the latest version
• I have read the Contribution Guidelines
• I have read the Help Center
• I have read docs.revenuecat.com
• I have searched for existing Github issues

Describe the bug
SDK version 3.3 and 3.4 returns null or an empty string for productIdentifier in the Purchases.PurchasePackage callback.
Version 3.2 is working as expected.

1. Environment
   1. Platform: Unity
   2. SDK version: 3.3 & 3.4
   3. OS + version: Android
   4. Xcode/Android Studio version: Unity
   5. Unity version: 2020.3.9f1
   6. How widespread is the issue. Percentage of devices affected. 100%
2. Debug logs that reproduce the issue
3. Steps to reproduce, with a description of expected vs. actual behavior
4. Other information (e.g. stacktraces, related issues, suggestions how to fix, links for us to have context, eg. stackoverflow, etc.)

Additional context
Add any other context about the problem here.

[vegaro]

Hi! I looked into this and we have a bug. I just opened a PR in one of our dependencies to fix it. RevenueCat/purchases-hybrid-common#90

We will make a Unity release as soon as possible.

Sorry for the inconvenience!

[vegaro]

The fix has been released https://github.com/RevenueCat/purchases-unity/releases/tag/3.4.1