Core/Players: Improve setting ActivePlayerData::TransportServerTime by including TIME_SYNC and CMSG_QUEUED_MESSAGES_END values in its calculation

* This removes delay on nearby object visibility after login and teleport

src/server/game/Maps/Map.cpp

@@ -1853,6 +1853,9 @@ void Map::SendInitSelf(Player* player)
     WorldPacket packet;
     data.BuildPacket(&packet);
     player->SendDirectMessage(&packet);
+
+    // client will respond to SMSG_UPDATE_OBJECT that contains ThisIsYou = true with CMSG_MOVE_INIT_ACTIVE_MOVER_COMPLETE
+    player->GetSession()->RegisterTimeSync(WorldSession::SPECIAL_INIT_ACTIVE_MOVER_TIME_SYNC_COUNTER);
 }
 
 void Map::SendInitTransports(Player* player)