NEW YORK — When it comes to sympathetic figures, landlords aren’t exactly at the top of the list. But they, too, have fallen on hard times, demonstrating how the coronavirus outbreak spares almost no one.Take Shad Elia, who owns 24 single-family apartment units in the Boston area. He says government stimulus benefits allowed his hard-hit tenants to continue to pay the rent. But now that the aid has expired, with Congress unlikely to pass a new package before Election Day, they are falling behind.Heading into a New England …