Fix type checks for virtual and abstract properties
Fix type checks for virtual and abstract properties

Take ownership into account when checking inherited properties.

flobrosch/vala-fixes,frida/vala,tjol/vala-tjol,flobrosch/vala-fixes,playya/vala,GNOME/vala,Distrotech/vala,jessevdk/vala,severinh/vala,GNOME/vala,rvu95/vala,kamanashisroy/aroop,Distrotech/vala,kamanashisroy/aroop,themiwi/vala,jessevdk/vala,jessevdk/vala,severinh/vala,frida/vala,phako/vala,playya/vala,playya/vala,tjol/vala-tjol,kamanashisroy/aroop,xdave/pvala,frida/vala,GNOME/vala,spidermonkdust/vala,frida/vala,GNOME/vala,rvu95/vala,themiwi/vala,lovebug356/vala,severinh/vala,phako/vala,lovebug356/vala,themiwi/vala,spidermonkdust/vala,tjol/vala-tjol,rvu95/vala,Jc2k/vala,flobrosch/vala-fixes,frida/vala,Jc2k/vala,Distrotech/vala,spidermonkdust/vala