Merge pull request #7747 from Elron103/pull-requests

Core/Mail: Fix merging of items taken from mail leading to invalid entries in item_instance

src/server/game/Handlers/MailHandler.cpp

@@ -500,6 +500,7 @@ void WorldSession::HandleMailTakeItem(WorldPacket & recv_data)
         player->RemoveMItem(it->GetGUIDLow());
 
         uint32 count = it->GetCount();                      // save counts before store and possible merge with deleting
+        it->SetState(ITEM_UNCHANGED);                       // need to set this state, otherwise item cannot be removed later, if neccessary
         player->MoveItemToInventory(dest, it, true);
 
         player->SaveInventoryAndGoldToDB(trans);