Fast-food and casual dining chains have been serving up affordable meal deals this year in an effort to win back inflation-battered shoppers – and fresh data shows it’s working. Restaurants including McDonald’s, Starbucks, Chili’s and Buffalo Wild Wings saw improved foot traffic after their introduction of meal deals and limited-time discounts, according to a new survey.McDonald’s launched its highly anticipated $5 Meal Deal in June, which includes a McDouble or McChicken, a four-piece nugget, a small fry a ...