[8103] More wide use IsInWorld checks and delayed at teleport operations. Author: Ambal

* IsInWorld used to prevent return unexpected not in world objects.
    * Delayed operations need to process its in world state.

--HG--
branch : trunk

src/game/MiscHandler.cpp

@@ -252,6 +252,10 @@ void WorldSession::HandleWhoOpcode( WorldPacket & recv_data )
                 continue;
         }
 
+        //do not process players which are not in world
+        if(!(itr->second->IsInWorld()))
+            continue;
+
         // check if target is globally visible for player
         if (!(itr->second->IsVisibleGloballyFor(_player)))
             continue;