By Tony Owusu Mondelez, producer of brands ranging from Chips Ahoy to Triscuits, says the pandemic will keep people at home and snacking, inflation notwithstanding. The fourth quarter was a mixed bag for packaged-food company Mondelez International (MDLZ) – Get Mondelez International, Inc. Class A Report as more consumer couch time due to lockdowns helped spur a jump in revenue, while cost inflation challenged its bottom line. Consumers turned to the company’s iconic snacks — Oreo, Chips Ahoy, Ritz Crackers and Triscuits — while Covid-19 kept them homebound in 2021. “Consumers continue to ch…