Added another method signature with `isSystemWorkflow` in `WorkflowEngineRequest.java`

workflow-core/src/main/java/org/opengroup/osdu/workflow/model/WorkflowEngineRequest.java

@@ -42,6 +42,10 @@ public class WorkflowEngineRequest {
     this(null, null, workflowName, startTimeStamp, null, workflowEngineExecutionDate, false, false);
   }
 
+  public WorkflowEngineRequest(String workflowName, Long startTimeStamp, String workflowEngineExecutionDate, boolean isSystemWorkflow) {
+    this(null, null, workflowName, startTimeStamp, null, workflowEngineExecutionDate, false, isSystemWorkflow);
+  }
+
   public WorkflowEngineRequest(String workflowName) {
     this(null, null, workflowName, System.currentTimeMillis(), null, null, false, false);
   }