Fixed missed clean session for ClientSession, issue #145

broker/src/test/java/io/moquette/spi/persistence/MemorySessionStore.java

@@ -125,6 +125,11 @@ public class MemorySessionStore implements ISessionsStore {
         return new ClientSession(clientID, m_messagesStore, this, storedSession.cleanSession);
     }
 
+    @Override
+    public void updateCleanStatus(String clientID, boolean cleanSession) {
+        m_persistentSessions.put(clientID, new MapDBPersistentStore.PersistentSession(cleanSession));
+    }
+
     @Override
     public List<ClientTopicCouple> listAllSubscriptions() {
         List<ClientTopicCouple> allSubscriptions = new ArrayList<>();