- in Excellon Editor and Geometry Editor solved some Shapely 2.0 deprecation warnings

- in Excellon Editor made sure that the tool diameter is always updated before adding a new drill (or drill array)
- changing units is not possible while in Editors
- changing units outside the Preferences will make no permanent changes
- deleting all shapes from the shapes collection (OpenGl graphics) will reset also the index in the collection data dict

appGUI/VisPyVisuals.py

@@ -335,6 +335,7 @@ class ShapeCollectionVisual(CompoundVisual):
         :param update: bool
             Set True to redraw collection
         """
+        self.last_key = -1
         self.data.clear()
         if update:
             self.__update()