Correct cluster creation logic

Author: rjeberhard

operator/src/main/java/oracle/kubernetes/operator/http/rest/RestBackendImpl.java

@@ -1,4 +1,4 @@
-// Copyright (c) 2017, 2024, Oracle and/or its affiliates.
+// Copyright (c) 2017, 2025, Oracle and/or its affiliates.
 // Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl.
 
 package oracle.kubernetes.operator.http.rest;
@@ -454,7 +454,7 @@ public Object createOrReplaceCluster(Map<String, Object> cluster) {
 
     if (currentCluster == null) {
       try {
-        ClusterResource cr = RequestBuilder.CLUSTER.create(toResource((Map<String, Object>)currentCluster),
+        ClusterResource cr = RequestBuilder.CLUSTER.create(toResource(cluster),
                 new CreateOptions(), clientSupplier);
         Object result = cr != null ? toMap(cr) : null;
         if (LOGGER.isFineEnabled()) {