Fixed some VTK error messages that showed up when ending configure

Author: Sam Fries

Packages/vcs/Lib/configurator.py

@@ -292,8 +292,6 @@ def detach(self):
         # if all of the widgets have been cleaned up correctly, this will delete the manager
         vtk_ui.manager.delete_manager(self.interactor)
 
-        self.interactor.Render()
-
     def release(self, object, event):
         if self.clicking is None:
             return

Packages/vcs/Lib/vtk_ui/manager.py

@@ -78,6 +78,7 @@ def detach(self):
             w.detach()
         if self.window.HasRenderer(self.renderer):
             self.window.RemoveRenderer(self.renderer)
+        self.renderer.RemoveAllViewProps()
         self.interactor.RemoveObserver(self.timer_listener)
         self.window.RemoveObserver(self.window_mod)
         self.window.RemoveObserver(self.render_listener)