virsh: Honour --readonly with cmdConnect and no name
virsh: Honour --readonly with cmdConnect and no name

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1436042

Signed-off-by: Martin Kletzander <e82f23e74d43760279ebcc505dac4ae70d5627d0@redhat.com>

libvirt/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,eskultety/libvirt,nertpinx/libvirt,andreabolognani/libvirt,jardasgit/libvirt,eskultety/libvirt,olafhering/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,eskultety/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,zippy2/libvirt,andreabolognani/libvirt,crobinso/libvirt,crobinso/libvirt,libvirt/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,zippy2/libvirt,jardasgit/libvirt,eskultety/libvirt,zippy2/libvirt,jardasgit/libvirt,olafhering/libvirt,crobinso/libvirt,jardasgit/libvirt,jfehlig/libvirt,andreabolognani/libvirt,jfehlig/libvirt,olafhering/libvirt,jfehlig/libvirt,nertpinx/libvirt,andreabolognani/libvirt,olafhering/libvirt,libvirt/libvirt,jardasgit/libvirt,zippy2/libvirt,libvirt/libvirt,eskultety/libvirt,crobinso/libvirt,nertpinx/libvirt,andreabolognani/libvirt