Nah Narutos cloak doesnt have the ability to heal others. His cloak can rejuvanate stamina but attacks like those don't heal instantly for anyone unless Naruto concentrated. Sasuke most likely used Preta on narutos cloak and healed himself.
You're a narrow minded Sasuke fanboy. Now you're denying Naruto's cloak/Kurama's chakra can't heal others. Countless times Kurama's chakra has healed Naruto and the shinobi alliance. If you selectively read then that's your problem, but Kurama's chakra heals