The near-future is bleak for the working class of London in “The Kitchen,” a well-executed film about a familiar kind of urban dystopian nightmare. It is, ironically, sunnier than the Los Angeles of “Blade Runner,” but the mood is as dire. In this world, the have-nots are crammed together in hellish Brutalist high-rises, a slum-like development that its residents call “The Kitchen.” With frequent police raids and constant monitoring, there is the whiff of rebellion in the air.