[Feature] Aggregated parent workflow supports displaying knowledge sources of child workflows

[zhainanshidai]

MaxKB Version

v2.3.1

Please describe your needs or suggestions for improvements

聚合的父工作流支持显示子工作流的知识来源
场景：聚合子工作流到父工作流的应用，想开启该选项，但发现无法显示，会让人感到疑惑，且也需要展示该选项

子工作流已开启显示知识来源：

Please describe the solution you suggest

No response

Additional Information

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