Wrong username displayed in account list

[tretkowski]

⚠️ Before posting ⚠️

• This is a bug, not a question or an enhancement.
• I've searched for similar issues and didn't find a duplicate.
• I've written a clear and descriptive title for this issue, not just "Bug" or "Crash".
• I agree to follow Nextcloud's Code of Conduct.

Steps to reproduce

Add an account and log-in with the e-mail-address instead just the username of the Nextcloud account.

Expected behaviour

The correct accountname should get displayed in the account list.

Actual behaviour

The Nextcloud account gets displayed as emailuser@emaildomain@nextcloudhost.domain.

Android version

16 (CalyxOS 7.2.1.0)

Device brand and model

Fairphone 4

Stock or custom OS?

Custom (explain in "additional information")

Nextcloud android app version

33.1.0

Nextcloud server version

32.0.6.1

Using a reverse proxy?

No

Additional information