Vilified short-form mobile video streamer Quibi has something to celebrate after months of setbacks, as a court denied an attempted injunction against Quibi’s pièce de résistance – the much-hyped but actually pretty simple Turnstyle feature. Based on the wording in the 19-page document received this week, our hunch is that the case is far from over. This was an absolute must-win case for Quibi in what has been a frankly disastrous start since its early April debut. Equally, beating away the lawsuit from interactive video developer Eko – which made a convincing case against founder Jeffrey Katzenberg – puts Quibi back to square one, with huge ground to make up on rivals in the freemium video market. That said, the…