Fix operation DTO initializing issue

components/device-mgt/org.wso2.carbon.device.mgt.core/src/main/java/org/wso2/carbon/device/mgt/core/operation/mgt/dao/util/OperationDAOUtil.java

@@ -79,6 +79,10 @@ public class OperationDAOUtil {
             dtoOperation.setControl(Operation.Control.valueOf(operation.getControl().toString()));
         }
 
+        if (operation.getInitiatedBy() != null) {
+            dtoOperation.setInitiatedBy(operation.getInitiatedBy());
+        }
+
         return dtoOperation;
     }