By Veronika Bondarenko The answer to the chain’s mediocre dessert menu may lie at its international branches. While McDonald’s (MCD) – Get McDonald’s Corporation Report has the McFlurry and classic vanilla cones and Wendy’s (WEN) – Get Wendy’s Company Report has its Frosty, dessert is not something that Burger King is particularly known for. Even though everything from shakes to cookies and chocolate pie periodically hit the Restaurant Brands International (QSR) – Get Restaurant Brands International Inc Report-owned chain’s menu, most fail to stick around and certainly do not become an icon. I…