For all the wasted opportunities and false dawns, there's a case to be made that Aprilia is having its best MotoGP season yet - so high have been the peaks (Silverstone and Barcelona).But what would definitely hurt that case is if its form disappeared once again as MotoGP went into its 'flyaway season' - and in that sense, the inaugural Indian Grand Prix looked worryingly familiar.There was a bright spot for Aprilia in the form of Raul Fernandez's recent performance trend seeming to hold up - he finally looks in the mix with the other Aprilias - but the overall…