Singapore’s jailing of an Australian man who rushed at Ariana Grande at a film premiere has struck a raw nerve among locals, whose near-unanimous applause for the punishment reflects deep frustration with behaviour seen as attention-seeking and disruptive to the city state’s hard-won image for safety.The nine-day term – which the judge increased from an initial proposal of seven days – was also the first time serial stage invader Johnson Wen has faced custodial consequences, after similar...