lxd/instances: Fix ceph cluster target move
lxd/instances: Fix ceph cluster target move

Without this, the notification to create the mountpath is incorrectly
received for the default project.

Signed-off-by: Stéphane Graber <089afc6d81f66f1168a9849e15660feae286e024@ubuntu.com>

lxc/lxd,stgraber/lxd,stgraber/lxd,lxc/lxd,stgraber/lxd,lxc/lxd,atxwebs/lxd,atxwebs/lxd,hallyn/lxd,lxc/lxd,atxwebs/lxd,stgraber/lxd,lxc/lxd,hallyn/lxd,stgraber/lxd,hallyn/lxd,stgraber/lxd,hallyn/lxd,lxc/lxd,stgraber/lxd,atxwebs/lxd,hallyn/lxd,hallyn/lxd,lxc/lxd