fix null decrypted credential while getting batch predict job status (#3518) (#3533)

* fix null decrypted credential while getting batch predict job status

Signed-off-by: Bhavana Goud Ramaram <[email protected]>

---------

Signed-off-by: Bhavana Goud Ramaram <[email protected]>
(cherry picked from commit 5271ea6)

Co-authored-by: Bhavana Goud Ramaram <[email protected]>

Author: opensearch-trigger-bot[bot]

plugin/src/main/java/org/opensearch/ml/action/tasks/GetTaskTransportAction.java

@@ -460,8 +460,8 @@ private void executeConnector(
 
         final Map<String, String> decryptedCredential = connector.getDecryptedCredential() != null
             && !connector.getDecryptedCredential().isEmpty()
-                ? mlEngine.getConnectorCredential(connector)
-                : connector.getDecryptedCredential();
+                ? connector.getDecryptedCredential()
+                : mlEngine.getConnectorCredential(connector);
         RemoteConnectorExecutor connectorExecutor = MLEngineClassLoader.initInstance(connector.getProtocol(), connector, Connector.class);
         connectorExecutor.setScriptService(scriptService);
         connectorExecutor.setClusterService(clusterService);