Allow editing connections while connected
Allow editing connections while connected

It will throw some warnings in the debug output, but end-users won't
see them. The benefit is that the dialog can be used for changing the
nick. Other changes will take effect after reconnecting.

communi/communi-sailfish,communi/communi-sailfish,kimmoli/communi-sailfish,communi/communi-sailfish,killruana/communi-sailfish