- added a hack so the dark stylesheet for QWidget is reapplied if that Qwidget is removed (I don't know why it is lost in the first time)

- when exiting an Editor with a sub-tool active the cursor data display feature is removed

appMain.py

@@ -2734,10 +2734,18 @@ class App(QtCore.QObject):
         """
         self.defaults.report_usage("editor2object()")
 
-        # do not update a geometry or excellon object unless it comes out of an editor
+        # do not update a Geometry/Excellon/Gerber/GCode object unless it comes out of an editor
         if self.call_source == 'app':
             return
 
+        # make sure that when we exit an Editor with a tool active then we make some clean-up
+        try:
+            if self.use_3d_engine:
+                self.plotcanvas.text_cursor.parent = None
+                self.plotcanvas.view.camera.zoom_callback = lambda *args: None
+        except Exception:
+            pass
+
         # This is the object that exit from the Editor. It may be the edited object but it can be a new object
         # created by the Editor
         edited_obj = self.collection.get_active()