message: fix not drawing history for invalid agents
diff: @@ -329,7 +329,8 @@ class BaseViewer(Viewer):
  else:
  color_line = self.color_other_agents_line
  color_face = self.color_other_agents_face
  - if self.draw_history:
  +
  + if self.draw_history and agent.id in world.agents_valid:
  if self.draw_history_draw_face:
  color_face_history = color_face
  else:
  