- added some icons in the Code Editor

- replaced some icons in the app
- in Code Editor, when changing text, the Save Code button will change color (text and icon) to red and after save it will revert the color to the default one
- in Code Editor some methods rework

appTools/ToolPaint.py

@@ -3241,6 +3241,7 @@ class PaintUI:
 
         # GO Button
         self.generate_paint_button = QtWidgets.QPushButton(_('Generate Geometry'))
+        self.generate_paint_button.setIcon(QtGui.QIcon(self.app.resource_location + '/geometry32.png'))
         self.generate_paint_button.setToolTip(
             _("Create a Geometry Object which paints the polygons.")
         )