@Override
    public String toString() {
        return taskType;
    }
Default to true for retrieving tasks when retrieving workflow data. Some cases (e.g.
subworkflows) might not need the tasks at all, and by setting this to false in that case, you
can get a solid performance gain.

@return true for retrieving tasks when getting workflow
core/src/main/java/com/netflix/conductor/core/execution/tasks/WorkflowSystemTask.java