D-Bus: Register error domains before calls in GDBus clients
D-Bus: Register error domains before calls in GDBus clients

Error domains need to be registered with GDBus to support error
type mapping.

severinh/vala,playya/vala,frida/vala,spidermonkdust/vala,jessevdk/vala,kamanashisroy/aroop,xdave/pvala,flobrosch/vala-fixes,flobrosch/vala-fixes,GNOME/vala,spidermonkdust/vala,frida/vala,flobrosch/vala-fixes,Distrotech/vala,GNOME/vala,playya/vala,rvu95/vala,rvu95/vala,kamanashisroy/aroop,Distrotech/vala,playya/vala,jessevdk/vala,GNOME/vala,kamanashisroy/aroop,spidermonkdust/vala,severinh/vala,jessevdk/vala,tjol/vala-tjol,frida/vala,GNOME/vala,rvu95/vala,frida/vala,frida/vala,tjol/vala-tjol,Distrotech/vala,severinh/vala,tjol/vala-tjol