Ellen DeGeneres ’ gander across the pond looks like it hit pause -- 'cause she popped up back in Montecito mansion-hunting ... the same day of calling for a nationwide shutdown. The ex-talk show host preached in an IG post, "no work, no school, no shopping" in protest over ICE brutality in Minnesota -- something tons of other Americans have been preaching today -- but that vibe didn’t exactly stick while out in luxe-land touring not one, but two mega-mansions Friday. Talk about do as I say, not