File download from HTTP request saves with .bin extension instead wav

[bikevit2008]

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Dify version

0.15.2

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

1. do workflow
2. do http request node which in response got file
3. end node with result

{
  "result": [
    {
      "dify_model_identity": "__dify__file__",
      "id": null,
      "tenant_id": "9b227b34-11d7-4cac-9c79-fd6a58704f66",
      "type": "audio",
      "transfer_method": "tool_file",
      "remote_url": null,
      "related_id": "5be399a8-581f-4ab7-9c64-e6ef610ea58b",
      "filename": "d0ebd0cb99dd43bfb157ca43388c219c.bin",
      "extension": ".bin",
      "mime_type": "audio/wav",
      "size": 122880,
...
    }
  ]
}

✔️ Expected Behavior

saves with wav extension

❌ Actual Behavior

saves with .bin extension

[bikevit2008]

#13029 fixed here

[crazywoola]

Please see this pull request as well #12693