By Rowena Edwards and Shadia Nasralla LONDON (Reuters) – Oil major BP plans to build a vast carbon capture project beneath the North Sea that would be crucial to Britain hitting its emissions targets. Power giant Orsted aims to build a huge offshore windfarm to help the country meet renewable goals. The problem is, the seabed’s double-booked, and something has to give. Britain granted preliminary licences for both proposed projects more than a decade ago, when an overlap of about 110 sq km on the sea floor wasn’t seen as posing an insurmountable obstacle to either technology, according to plan…