Add contact: autosuggest not working anymore

[DanScharon]

Expected behavior

When adding a contact and entering some characters into the Username field, some users from the same Nextcloud instance should be suggested

Actual behavior

I have to enter the full JID.

Steps to reproduce the behavior

1. click on Add contact
2. type in some characters

Environment

• JSXC version: 4.0
• Host system and version: Nextcloud 17.0.5
• Browser vendor and version: Chromium 80, Firefox 68
• Any browser plugins enabled? no

Logs

Javascript

no errors logged