1. open Wi-Fi Settings
2. Menu -> Known Wi-fi Networks
3. Click settings of some Wi-Fi network listed there.
4. Press escape twice to close all the dialogs
5. Menu -> Connect to Hidden network..,
Fix crashes when some object type names (WirelessSecurity and
EAPMethod in this case) are duplicated across the Network
panel and libnma.
Fixes a regression in commit 0470c04https://bugzilla.gnome.org/show_bug.cgi?id=785099
These types appear with the same name in libnm-gtk, but they're
not shared because they come from different code, so they
need namespacing.
This prevents a crash that happens if you open a wifi property
dialog and then click "Connect to hidden network"
https://bugzilla.gnome.org/show_bug.cgi?id=700137