Outline previews get now created when the button is pushed, not when the tool is loaded.
Outline previews get now created when the button is pushed, not when the tool is loaded.

Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master,Fat-Zer/FreeCAD_sf_master