dify - 💡(How to fix) Fix Bug: The drop-down box for the metadata filter condition of the knowledge retrieval node is not set as layer-topmost.

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Dify version

1.14.0

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

1. Open a Knowledge Retrieval node.
2. Go to Search Settings → Conditions.
3. In the Metadata Filter Conditions panel, set the filtering condition.
4. Try selecting different operators from the dropdown.
5. Observe that the dropdown is not rendered on the top layer, causing some options to be unclickable.

✔️ Expected Behavior

The dropdown should be rendered on the top layer.

❌ Actual Behavior

The dropdown is not rendered on the top layer, causing some options to be unclickable:

<img width="751" height="632" alt="Image" src="https://github.com/user-attachments/assets/67cd788f-1f5d-4797-acdb-e839ed48f9fa" /> <img width="632" height="426" alt="Image" src="https://github.com/user-attachments/assets/ab819972-33da-4408-96fc-11507041149a" />