To those who saw Bay Street Theater’s recent production of “The Subject Was Roses,” John Slattery, Talia Balsam, and Harry Slattery are celebrities. But to Holly Wheaton, director of the Springs Food Pantry, they’re just “everyday folks who saw a need and wanted to help” when Covid-19 caused people to flock to the pantry for assistance. They are the honorees at the pantry's E.A.T. in the Garden benefit this year.