rbac/server.go: Sleep for seconds instead of nanoseconds
rbac/server.go: Sleep for seconds instead of nanoseconds

Signed-off-by: Tim Rots <303d85e35fdeaa7baaeca9350aad42402c9e3308@protonmail.ch>

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