Default the search provider to enabled
Default the search provider to enabled

I would say this was copy-pasted from gnome-weather, where
default disabled is motivated by privacy concerns, but that
doesn't apply here.

https://bugzilla.gnome.org/show_bug.cgi?id=745508

GNOME/gnome-characters,GNOME/gnome-characters,GNOME/gnome-characters,GNOME/gnome-characters,GNOME/gnome-characters