This makes the operator to work 100% with worldspace similarity: * SIMFACE_PERIMETER * SIMFACE_AREA * SIMEDGE_FACE_ANGLE Note from revisor (Dalai Felinto): I'm not sure we want to pass Object * to the bmesh api, though I personally don't see why not. Either way I group the patches together so we can more easily roll them back if needs be. Maniphest Tasks: T56948 Differential Revision: D3908, D3899, D3896