agent: set default caps if gateways not configured
agent: set default caps if gateways not configured

The only way to have the gateways configured from the agent is through
setCapabilities, so if they are not configured, then that call has not
been made, and the default caps have not been applied.

Signed-off-by: Tobias Olausson <e5abfa285347082f76013504c37f988d1046765a@pelagicore.com>

frznlogic/softwarecontainer,tobsan/softwarecontainer,frznlogic/softwarecontainer,frznlogic/softwarecontainer,kursatkobya/softwarecontainer,DunderRoffe/softwarecontainer,thenor/softwarecontainer,Pelagicore/softwarecontainer,thenor/softwarecontainer,DunderRoffe/softwarecontainer,tobsan/softwarecontainer,Pelagicore/softwarecontainer,Pelagicore/softwarecontainer,tobsan/softwarecontainer,frznlogic/softwarecontainer,DunderRoffe/softwarecontainer,kursatkobya/softwarecontainer,Pelagicore/softwarecontainer,tobsan/softwarecontainer,thenor/softwarecontainer,DunderRoffe/softwarecontainer,kursatkobya/softwarecontainer,thenor/softwarecontainer,kursatkobya/softwarecontainer