Ensure persistence manager is initialised early in MQTT auth wrapper

Author: hylkevds

FROST-Server.MQTT.Moquette/src/main/java/de/fraunhofer/iosb/ilt/frostserver/mqtt/moquette/AuthWrapper.java

@@ -124,11 +124,13 @@ public AuthWrapper(CoreSettings coreSettings, String authProviderClassName, Stri
         anonymousRead = authSettings.getBoolean(TAG_AUTH_ALLOW_ANON_READ, CoreSettings.class);
         String topicAllowListRegex = authSettings.get(TAG_MQTT_TOPIC_ALLOWLIST, MoquetteMqttServer.class);
 
+        // Ensure PM is initialised early.
+        PersistenceManagerFactory.init(coreSettings);
+
         if (isNullOrEmpty(topicAllowListRegex)) {
             topicAllowPattern = null;
         } else {
             topicAllowPattern = Pattern.compile(topicAllowListRegex);
-            PersistenceManagerFactory.init(coreSettings);
         }
 
         Map<AuthUtils.Role, String> roleMapping = AuthUtils.loadRoleMapping(authSettings);