Requirements:
- KDE
- NetworkManager that has a wifi password saved in kwallet

Steps to reproduce:
- connect to password protected wifi
- sudo systemctl restart NetworkManager

Expected result:
- wifi is set up correctly

Actual result:
- passwords don't show in gui in wifi security section
- connecting to wifi fails, logs says:
<info>  [1537078992.8413] device (wlp1s0): state change: config -> need-auth
(reason 'none', sys-iface-state: 'managed')
<warn>  [1537078992.9063] device (wlp1s0): No agents were available for this
request.
<info>  [1537078992.9067] device (wlp1s0): state change: need-auth -> failed
(reason 'no-secrets', sys-iface-state: 'managed')

Workarounds:
- `nmcli connection up <connection name> --ask`
- log out and log in again