loot tracker: add support for isle of souls chests
They have the same description and behavior as stone chest. From melky test:
2021-02-03 13:54:03 [Client] DEBUG n.r.c.p.l.LootTrackerPlugin - Tick: 417
2021-02-03 13:54:04 [Client] DEBUG client-patch - Chat message type SPAM: You manage to unlock the chest.
2021-02-03 13:54:04 [Client] DEBUG n.r.c.p.l.LootTrackerPlugin - Tick: 418
2021-02-03 13:54:04 [Client] DEBUG client-patch - Chat message type SPAM: You steal some loot from the chest.
2021-02-03 13:54:04 [Client] DEBUG n.r.c.p.l.LootTrackerPlugin - Received icc: [Item(id=12791, quantity=1), Item(id=13068, quantity=1), Item(id=13222, quantity=1), Item(id=13069, quantity=1), Item(id=5698, quantity=1), Item(id=6705, quantity=1), Item(id=6705, quantity=1), Item(id=6705, quantity=1), Item(id=6705, quantity=1), Item(id=6705, quantity=1), Item(id=6705, quantity=1), Item(id=6705, quantity=1), Item(id=228, quantity=2), Item(id=12631, quantity=1), Item(id=11953, quantity=1), Item(id=1523, quantity=1), Item(id=1523, quantity=1), Item(id=1355, quantity=1), Item(id=314, quantity=121), Item(id=1621, quantity=1), Item(id=2510, quantity=8)] tick: 418