virsh-pool: Offer only active pool for pool-refresh completer
virsh-pool: Offer only active pool for pool-refresh completer

Only active pools can be refreshed. But our completer offers just
all pool, even inactive ones.

Signed-off-by: Michal Privoznik <83d82aaba2eed257f4814b0c239c260c4caaadf0@redhat.com>
Reviewed-by: Pavel Hrdina <d4772d05997b8abf035041e3b4f4996380ea7e7a@redhat.com>

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