London's Canary Wharf is being turned into the Capitol, with a bespoke £26m theatre made for the stage adaptation of Suzanne Collins' bestseller. Our writer goes on a hard-hat tour The sleek high rises chase each other up into the sky. "It is a bit dystopian, isn't it?" says producer Oliver Royds as we walk through Canary Wharf. "Easy to feel like you're in the Capitol." London's finance hub will soon host the the…