App crashes when connecting with mTLS client certificate

[Ssentiago]

Bug Description

When attempting to connect to a Navidrome server with mTLS enabled, the app hangs for a few seconds after pressing "Connect" and then crashes.

Steps to Reproduce

1. Open Musly and go to server connection screen
2. Enable "Allow Self-Signed Certificates"
3. Upload custom CA certificate (root CA from step-ca)
4. Upload client certificate (PKCS12 format)
5. Enter server URL and credentials
6. Press "Connect"

Expected Behavior

Successful connection to the server

App Version

1.0.13 (Android)

Subsonic Server

Navidrome behind nginx with mTLS