Sketcher: allow icon/color update in STATUS_SKETCH_UseHandler mode
Sketcher: allow icon/color update in STATUS_SKETCH_UseHandler mode

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Updating color and constraint icons does not seem necessary in other modes:
https://forum.freecadweb.org/viewtopic.php?f=3&t=56064&start=10#p486578

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