Minor bugfix: doors shouldn't swing shut if they are already closed.

blastmud_game/src/message_handler/user_commands/open.rs

@@ -64,10 +64,8 @@ impl TaskHandler for SwingShutHandler {
             .as_mut()
             .and_then(|ds| ds.get_mut(&direction))
         {
-            None => {
-                return Ok(None);
-            }
-            Some(v) => v,
+            Some(v) if v.open => v,
+            _ => return Ok(None),
         };
         (*door_state).open = false;
         ctx.trans.save_item_model(&room_item_mut).await?;