Donnie Wahlberg may play a cop on “Blue Bloods,” but he was also treated like a man in uniform when he attended the grand opening of a Wahlburgers restaurant in Coney Island. “Donnie was there early and had most of the cops in Coney Island trailing him,” a source tells [email protected] “His ‘Blue Bloods’ character, Danny, is a cop favorite. He hugged and took photos with the cops. At that moment the area across from Nathan’s was the safest in Brooklyn. A sea of cops!” Another spy overheard Donnie, ever the gentleman, telling the group of New York’s Finest that they were the ones who deserved to be on the carpet, not him. Donnie was joined by big brother Paul Wahlberg, a chef who runs the chain of burger restaurants the family started in Boston. Along with Donnie and Paul, Hollywood bigwig bro Mark Wahlberg put whatever rumored rifts they may have had on the back burner and came out to support the family. While Donnie’s wife, Jenny McCarthy, wasn’t at the ribbon-cutting, Mark brought his spouse, Rhea Durham, to the festivities. “She was in a ripped-jeans casual look. Mark was a lot less approachable than Donnie,” adds our source….