Sheik in OOT was only a invention,a fake, a halloween outfit, zelda use this outfit to hidde from ganon, in TP we have a diferent zelda than zelda from OOT, sheik haven't place in TP,cant be part of the story, sheik cant exists in TP because zelda from OOT die, like Link and the most of characters from OOT die.
OOT(100 years and more)TP.