Core/Maps: implement map based world states and implemented support for required world states in achievement criterias

*converted Erduax' conditional achievement to world state based handling as example

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

@@ -9204,6 +9204,10 @@ void Player::SendInitWorldStates(uint32 zoneId, uint32 areaId)
             break;
     }
 
+    // insert map world states
+    if (Map* map = GetMap())
+        map->AppendWorldStates(packet.Worldstates);
+
     SendDirectMessage(packet.Write());
     SendBGWeekendWorldStates();
     SendBattlefieldWorldStates();