Fix label for sub dust transactions

Brand new wallet received sub dust from another arkade wallet.
In details, the transaction is marked as _settled_ instead of _preconfirmed_.

<img width="1059" height="1041" alt="Image" src="https://github.com/user-attachments/assets/c17cb0aa-7bcb-41f4-905b-83a0e26b9acc" />

No issue for above dust txs.

https://github.com/user-attachments/assets/fdca3420-cd6b-4a80-87d7-1cdfcd72ee6d