Double-click is already handled by PartDesign::ViewProvider::doubleClicked()
Overridings in Loft & Pipe brings no specific behavior
By removing overridings, behavioral consistency is improved both in ...
... undo commands & body activation management when PartDesign items ...
... are double-clicked
This change allows to highlight the spline, auxiliary spine, profile and sections of a pipe.
This gives the user a much better feedback of what external shapes are already used to build the pipe
