Hello, @andy8
We apologize for your trouble 
This particular solution is different from the one provided by Zeroqode , thus, there is no guarantee that our Sign in with Apple plugin will work properly with the mentioned wrapper.
Please allow us to recommend you to check this thread on the Bubble Forum, where you can find a solution for your case: BDK Native Apps - Build before you buy
In case we can help you with any additional information - please let us know.
Best regards,
Zeroqode Support team