Troubadour Canary Wharf theatre, LondonEye-popping visuals and a strong lead performance energise Matthew Dunster's production " but the emotion gets lost amid the action A luminous bow hovers in the darkness as if suspended in the sky while the arena-like stage is filled with smoke. A figure emerges: Katniss Everdeen, the girl from District 12 in Suzanne Collins' post-apocalyptic universe, played by Jennifer Lawrenc…