fix(xo-web/xoa/update): dont fail if `channels` is `undefined`
fix(xo-web/xoa/update): dont fail if `channels` is `undefined`

Which is always the case during loading.

lmcro/xo-web,lmcro/xo-web,vatesfr/xo-web,lmcro/xo-web,vatesfr/xo-web