By Colette Bennett It looks like a real gut-buster. If there’s anything that Restaurant Brands International’s (QSR) – Get Restaurant Brands International Inc Report Burger King isn’t shy about, it’s taking chances some fast food chains deem far too risky. Its recent move to reinvent the Whopper, its flagship product, is inventive for sure, but not quite what one might deem adventurous — it’s just a Whopper on a new kind of bread. And while Burger King’s foray into more eco-friendly packaging and practices is admirable, it’s the same route that chains like Starbucks (SBUX) – Get Starbucks Corp…