work around uninitialised state error

Author: restena-sw

src/Controller/WebAuthn.php

@@ -106,7 +106,8 @@ public static function workflowStateMachine($state) {
             return self::STATE_AUTH_ALLOWMGMT;
         } else { // in inflow, allow to check the management box; otherwise,
                  // only auth
-            return $state['UseInflowRegistration'] ? self::STATE_AUTH_ALLOWMGMT : self::STATE_AUTH_NOMGMT;
+            $moduleConfig = Configuration::getOptionalConfig('module_webauthn.php')->toArray();
+            return $moduleConfig['use_inflow_registration'] ? self::STATE_AUTH_ALLOWMGMT : self::STATE_AUTH_NOMGMT;
         }
     }
 

src/WebAuthn/StaticProcessHelper.php

@@ -29,6 +29,5 @@ public static function prepareState(StateData $stateData, array &$state): void
         $state['FIDO2SignupChallenge'] = hash('sha512', random_bytes(64));
         $state['FIDO2WantsRegister'] = false;
         $state['FIDO2AuthSuccessful'] = false;
-        $state['UseInflowRegistration'] = $stateData->useInflowRegistration;
     }
 }