fix state at startup to prevent loading qr scanner

verification/lib/verification_bloc.dart

@@ -21,7 +21,7 @@ class VerificationBloc extends Bloc<VerificationEvent, VerificationState> {
   VerificationApi? _api;
   VerificationResponse? _verification;
 
-  VerificationBloc(String url) : super(VerificationState.noTicket) {
+  VerificationBloc(String url) : super(VerificationState.busy) {
     _api = VerificationApi(http.Client(), url);
     _initTicketFile().then((value) => _loadTicket());
   }
@@ -92,6 +92,7 @@ class VerificationBloc extends Bloc<VerificationEvent, VerificationState> {
     } else {
       _log.fine('no ticket found, creating ticket store');
       _ticketStore!.create(recursive: true);
+      emit(VerificationState.noTicket);
     }
   }
 }
@@ -108,6 +109,11 @@ class VerificationEvent {
   factory VerificationEvent.check() => VerificationEvent(type: EventType.check);
 
   factory VerificationEvent.revoke() => VerificationEvent(type: EventType.revoke);
+
+  Map get toMap => {'type': type, 'ticket': ticket};
+
+  @override
+  String toString() => '[VerificationEvent $toMap]';
 }
 
 enum VerificationState {
@@ -115,4 +121,5 @@ enum VerificationState {
   verified,
   unverified,
   error,
+  busy,
 }