fix setMlguard

Author: jngz-es

ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/RemoteConnectorExecutor.java

@@ -102,7 +102,7 @@ default void setRateLimiter(TokenBucket rateLimiter) {}
 
     default void setUserRateLimiterMap(Map<String, TokenBucket> userRateLimiterMap) {}
 
-    default void setMLGuard(MLGuard mlGuard) {}
+    default void setMlGuard(MLGuard mlGuard) {}
 
     default void preparePayloadAndInvokeRemoteModel(MLInput mlInput, List<ModelTensors> tensorOutputs) {
         Connector connector = getConnector();

ml-algorithms/src/main/java/org/opensearch/ml/engine/algorithms/remote/RemoteModel.java

@@ -92,8 +92,7 @@ public void initModel(MLModel model, Map<String, Object> params, Encryptor encry
             this.connectorExecutor.setXContentRegistry((NamedXContentRegistry) params.get(XCONTENT_REGISTRY));
             this.connectorExecutor.setRateLimiter((TokenBucket) params.get(RATE_LIMITER));
             this.connectorExecutor.setUserRateLimiterMap((Map<String, TokenBucket>) params.get(USER_RATE_LIMITER_MAP));
-            MLGuard mgd = (MLGuard) params.get(GUARDRAILS);
-            this.connectorExecutor.setMLGuard(mgd);
+            this.connectorExecutor.setMlGuard((MLGuard) params.get(GUARDRAILS));
         } catch (RuntimeException e) {
             log.error("Failed to init remote model.", e);
             throw e;