Avoid unnecessary mapping from stream to list back to stream

Signed-off-by: Yannic Klem <Yannic.Klem@bosch.io>

connectivity/service/src/main/java/org/eclipse/ditto/connectivity/service/messaging/amqp/JMSConnectionHandlingActor.java

@@ -350,8 +350,7 @@ private List<ConsumerData> createConsumers(@Nullable final Session session) {
                                 .map(addressWithIndex -> createJmsConsumer(session, failedSources, source,
                                         sourceAddress, addressWithIndex))
                                 .filter(Objects::nonNull)
-                                .toList().stream()
-                ).toList().stream()
+                )
         ).toList();
 
         if (!failedSources.isEmpty()) {