Core/Player: Send calendar raid lockout remove before removing player from instance save (may invalidate instance save)

src/server/game/Entities/Player/Player.cpp

@@ -18318,10 +18318,10 @@ void Player::UnbindInstance(BoundInstancesMap::iterator &itr, Difficulty difficu
             CharacterDatabase.Execute(stmt);
         }
 
-        itr->second.save->RemovePlayer(this);               // save can become invalid
         if (itr->second.perm)
             GetSession()->SendCalendarRaidLockout(itr->second.save, false);
 
+        itr->second.save->RemovePlayer(this);               // save can become invalid
         m_boundInstances[difficulty].erase(itr++);
     }
 }