This will attempt to loot the specified slot. If you must confirm that you want to loot the slot (BoP, loot rolls, etc), then a follow-up call to ConfirmLootSlot is needed.
- number - the loot slot.
if slot 1 contains an item that must be confirmed, then
must be called after.
- This function is called whenever a LootButton is clicked (or auto looted).