FINE FOOD • FUN FOOD Keep It Simple: There’s Nothing Like A Diner – Or Simple Tuna Melt Editor’s Note: These mini restaurant reviews are prepared by the Summer Dreams staff. Nothing beats a good tuna melt. And I mean a GOOD tuna melt! Plaza Diner in Oneonta has just that. The tuna doesn’t have so many fillers that you can’t taste it. It’s got just the right amount of mayo mixed in. Then it’s topped with melty cheese and…