Mike GreenawayAfter Ciarian Frawley sentenced South Africa to the pain of a one-point defeat with his last-gasp drop goal at the Shark Tank, there was a ceasefire after what has seemed like years of war with the Irish, and coaches Rassie Erasmus and Andy Farrell signed a truce based on mutual respect.The Ireland coach looked mightily relieved that the 25-24 win had saved the series and described the Springboks as “a magnificent team” before adding, “Our tussles with South Africa have been immense and we had to show guts, bravery and composure. Now I am looking forward to getting…