Who doesn't love a good Jersey diner? State Street Grill (9 State St., Bloomfield) is open 24 hours a day and serves up only-in-the-Garden-State fare like taylor ham and breakfast all day long. But the recently renovated diner also boasts gourmet items like brick-oven pizza, gelato and crepes. For an appetizer, order the diner's signature nachos ($8.95, $2.95 extra to add chicken), with homemade chili, diced tomatoes, jalapeno peppers and lettuce. The State Street Slam ($9.95) is sure to have something for everyone: it's a combination of chicken quesadillas, mozzarella sticks, potato skins (…