Can't add providers

When I try to add providers, the UI gets stuck on `…`.

Logs:

```
09:33:00.155ca655cd2INF:eca/providers-list 0ms
09:33:09.106ca655cd2INF:eca/providers-login 0ms
09:33:23.994ca655cd2INF:eca/providers-login 0ms
```

<img width="890" height="214" alt="Image" src="https://github.com/user-attachments/assets/f2d97506-5367-43a9-9d51-ac5261edb6a0" />