SpriteAnimation; fix null error from having no current animation and remove redundant frame set.
SpriteAnimation; fix null error from having no current animation and remove redundant frame set.

josuigoa/luxe,NicoM1/luxe,mrcdk/luxe,FuzzyWuzzie/luxe,zollenz/luxe,underscorediscovery/luxe,jeremyfa/luxe,underscorediscovery/luxe,NicoM1/luxe,josuigoa/luxe,anissen/luxe,tnRaro/luxe,tnRaro/luxe,jeremyfa/luxe,kevinresol/luxe,thecocce/luxe,kevinresol/luxe,zollenz/luxe,anissen/luxe,mrcdk/luxe,thecocce/luxe,FuzzyWuzzie/luxe