Draft: fix clone diffuse color regression
BIM: BIM_DrawingView: always create Cut lines view
BIM: fix window hinge direction if edge has no delta Z
BIM: change TD BIMView linecaps to square
BIM: remove superfluous transaction handling when editing IFC props
BIM: fix BuildingPart issues with Arch_Reference
BIM: fix ArchReference Placement if whole file is used
[TD]prevent frames on exported/printed page