Apple forecast sales for the current quarter ending in September would grow more slowly than Wall Street targeted as the iPhone maker struggled to get the parts it needed to deliver products, and shares fell 6% in after-hours trade. Chief Financial Officer Kevan Parekh told analysts and investors on a call that the iPhone maker expects revenue growth of 9% to 11% in the quarter compared to the year before. That was less than the 12% rise predicted by Wall Street, according to LSEG data.  Apple said sales for its fiscal third quarter ended June 27 were up 16.4% to $109.42 billion, compared with analyst estimates of a 15.5% rise to $108.65 billion, according…