Human rights journalist, magazine editor and social storyteller Vanessa Ellingham seems to regularly be mistaken for someone else.   It’s something which has beset her for the past five years, since “Jasmine Cooper” first got glasses.   “Jasmine Cooper” is one of the characters on New Zealand’s most famous soap opera, ‘Shortland Street‘. It seems Vanessa and the actress who plays the troubled teenager share eerily similar features: honey-brown hair, perfectly-manicured bobs and cat’s eye glasses, framing heart-shaped faces and delicate smiles.   Both call New Zealand home. And as I discover soon after meeting Vanessa at a writers group in Berlin (where she now lives), it’s a case of mistaken identity the 25 year-old is wont to write about in hilarious, excruciating detail.…