Core/Items: Fixed sending unlocked items by mail

Closes #20976

src/server/game/Handlers/MailHandler.cpp

@@ -354,6 +354,7 @@ void WorldSession::HandleSendMail(WorldPacket& recvData)
 
                 item->DeleteFromInventoryDB(trans);     // deletes item from character's inventory
                 item->SetOwnerGUID(receiverGuid);
+                item->SetState(ITEM_CHANGED);
                 item->SaveToDB(trans);                  // recursive and not have transaction guard into self, item not in inventory and can be save standalone
 
                 draft.AddItem(item);
@@ -752,7 +753,7 @@ void WorldSession::HandleGetMailList(WorldPacket& recvData)
             // durability
             data << uint32((item ? item->GetUInt32Value(ITEM_FIELD_DURABILITY) : 0));
             // unknown wotlk
-            data << uint8(0);
+            data << uint8((item && !item->IsLocked() ? 1 : 0));
         }
 
         ++realCount;

src/server/game/Spells/SpellEffects.cpp

@@ -1807,7 +1807,10 @@ void Spell::EffectOpenLock(SpellEffIndex effIndex)
             SendLoot(guid, LOOT_SKINNING);
     }
     else if (itemTarget)
+    {
         itemTarget->SetFlag(ITEM_FIELD_FLAGS, ITEM_FIELD_FLAG_UNLOCKED);
+        itemTarget->SetState(ITEM_CHANGED, itemTarget->GetOwner());
+    }
 
     // not allow use skill grow at item base open
     if (!m_CastItem && skillId != SKILL_NONE)