CURA-4821 Delete also the GCode SceneNode when clearing the buildplate

cura/CuraApplication.py

@@ -1055,7 +1055,7 @@ class CuraApplication(QtApplication):
                 continue  # Node that doesnt have a mesh and is not a group.
             if only_selectable and not node.isSelectable():
                 continue
-            if not node.callDecoration("isSliceable"):
+            if not node.callDecoration("isSliceable") and not node.callDecoration("getLayerData"):
                 continue  # Only remove nodes that are selectable.
             if node.getParent() and node.getParent().callDecoration("isGroup"):
                 continue  # Grouped nodes don't need resetting as their parent (the group) is resetted)
@@ -1071,10 +1071,6 @@ class CuraApplication(QtApplication):
 
         # Reset the print information:
         self.getController().getScene().sceneChanged.emit(node)
-        # self._print_information.setToZeroPrintInformation(self.getBuildPlateModel().activeBuildPlate)
-
-        # stay on the same build plate
-        #self.getCuraSceneController().setActiveBuildPlate(0)  # Select first build plate
 
     ## Reset all translation on nodes with mesh data.
     @pyqtSlot()