Bader Field and the Atlantic City skyline at dusk. Jan. 10, 2023 (JOE MARTUCCI / STAFF DRONE PILOT) ATLANTIC CITY — Bader Field is the most coveted piece of real estate in the city, which explains why developers are pitching massive projects for it. But while the plans are big, the details have been scant. Developers are keeping information about their financing and market research close to the vest. And he state Department of Community Affairs, which oversees Atlantic City under the state takeover, has refused to comment on how much of an investigation it has done or what it has found. It must approve any potential…