Spoiler alert: McNuggets did not fare well.Credit: Food & Wine / Amelia SchwartzFast-food chicken nuggets are practically an essential food group. They’re fuel for road trips, a reliable late-night snack, and an ideal base for caviar. But which fast-food nugget reigns supreme? We tasted some of the country’s most popular options side by side to find out.These nuggets fall into two categories: One is made with ground meat and has a thin, crunchy…