Gajim crashes when Show Ofline Contacts is disabled
Bug description
Gajim crashes when Show Ofline Contacts is disabled while there are transports.
**
Gtk:ERROR:gtktreemodelfilter.c:2380:gtk_tree_model_filter_get_path: assertion failed: (i \< level->array->len)
Aborted
Steps to reproduce
Disable Show Ofline Contacts. Add transports to roster. Wait...
Software versions
OS version: Salix OS 14.0.1 (Slackware 14.0 based) GTK version: 2.24.10 PyGTK version: 2.24.0