Clear unauthorized banner on registration.

app/src/main/java/org/thoughtcrime/securesms/registration/RegistrationRepository.java

@@ -174,6 +174,7 @@ public final class RegistrationRepository {
     SignalStore.account().setServicePassword(registrationData.getPassword());
     SignalStore.account().setRegistered(true);
     TextSecurePreferences.setPromptedPushRegistration(context, true);
+    TextSecurePreferences.setUnauthorizedReceived(context, false);
     NotificationManagerCompat.from(context).cancel(NotificationIds.UNREGISTERED_NOTIFICATION_ID);
 
     PinState.onRegistration(context, kbsData, pin, hasPin, setRegistrationLockEnabled);