More alleged iPhone 5S parts have leaked, as photos from Japanese part vendor Moumantai and U.S. repair shop iHeart Repair show what appear to be a display assembly and logic board for Apple’s new device. As expected, the parts look very similar to iPhone 5 parts, with generally the same proportions. However, a report notes the display assembly has both a horizontal and vertical flex cable connector, which appear to align with the logic board.…