- optimized the Gerber mark shapes display

- fixed a color format bug in Tool Move for 3D engine
- made sure that when the Tool Move is used on a Gerber file with mark shapes active, those mark shapes are deleted before the actual move

flatcamGUI/PlotCanvasLegacy.py

@@ -418,6 +418,7 @@ class PlotCanvasLegacy(QtCore.QObject):
 
         xmin, xmax = self.axes.get_xlim()
         ymin, ymax = self.axes.get_ylim()
+
         width = xmax - xmin
         height = ymax - ymin