It seems that _handleIncomingAuthRequest cannot handle null values.
Fix this by refactoring the code to support null-safety.
[ERROR] (2023-10-09 09:31:05.022542) Uncaught Error: type 'Null' is not a subtype of type 'String'
[ERROR] type 'Null' is not a subtype of type 'String'
[ERROR] Stacktrace:
[ERROR] #0 PushRequestNotifier._handleIncomingRequest (package:privacyidea_authenticator/state_notifiers/push_request_notifier.dart:93)
[ERROR] #1 PushRequestNotifier._handleIncomingAuthRequest. (package:privacyidea_authenticator/state_notifiers/push_request_notifier.dart:66)
[ERROR] #2 Mutex.protect (package:mutex/src/mutex.dart:79)
[ERROR]
[ERROR] #3 PushRequestNotifier._handleIncomingAuthRequest (package:privacyidea_authenticator/state_notifiers/push_request_notifier.dart:64)
[ERROR]
It seems that _handleIncomingAuthRequest cannot handle null values. Fix this by refactoring the code to support null-safety.
[ERROR] (2023-10-09 09:31:05.022542) Uncaught Error: type 'Null' is not a subtype of type 'String' [ERROR] type 'Null' is not a subtype of type 'String' [ERROR] Stacktrace: [ERROR] #0 PushRequestNotifier._handleIncomingRequest (package:privacyidea_authenticator/state_notifiers/push_request_notifier.dart:93) [ERROR] #1 PushRequestNotifier._handleIncomingAuthRequest. (package:privacyidea_authenticator/state_notifiers/push_request_notifier.dart:66)
[ERROR] #2 Mutex.protect (package:mutex/src/mutex.dart:79)
[ERROR]
[ERROR] #3 PushRequestNotifier._handleIncomingAuthRequest (package:privacyidea_authenticator/state_notifiers/push_request_notifier.dart:64)
[ERROR]