LONDON — It was the night the tide turned — at least for now. More than a week of far-right-linked riots ended abruptly Wednesday as mass gatherings of anti-fascists crowded Britain’s streets instead. The counter-protests came hours after the first “thugs” were jailed for lengthy periods, a move which may also have contributed to the calmer scenes. Demonstrators gathered in the major cities of London, Birmingham, Sheffield, Bristol, Liverpool, Brighton and Oxford, after an online list of immigration centers and human rights law firms — which it had been feared would be targeted by the far-right — was shared widely…