Contacts with same name are selected incorrect in list

[mjohenneken]

Steps to reproduce

1. Create two contacts with the same name
2. Make sure the contacts list is sorted by name
3. Select the upper one of the created contacts

Expected behaviour

The contact on which i clicked is selected, and show in the detail

Actual behaviour

The contact below is selected, but the detail show the information of the upper contact
Also you cannot select the other one which details are not show, because it is already selected.

Server configuration

Operating system:
Linux probably debian
Web server:
apache (shared webhosting)
Database:
Mysql 5.6.38
PHP version:
7.1 fastcgi
Nextcloud version: (see Nextcloud admin page)
12.0.5
Contacts version: (see Nextcloud apps page)
2.0.1
Updated from an older Nextcloud or fresh install:
Since owncloud 8
Signing status:

Are you using external storage, if yes which one: nope

Are you using encryption: no

Are you using an external user-backend, if yes which one: nope

Client configuration

Browser:
Google Chrome 63.0
Operating system:
Android
Windows
Ubuntu
CardDAV-clients:

Carddav-Sync
Cardbook
Evolution

[skjnldsv]

Fixed int he last version iirc! 2.1.0