Core/Spells: Implement spell attribute SPELL_ATTR3_NO_DURABILITY_LOSS

Port From (https://github.com/TrinityCore/TrinityCore/commit/f205a89c86f64bab531a611aa89766aad1c27e83)

Source/Framework/Constants/Spells/SpellConst.cs

@@ -1683,7 +1683,7 @@ namespace Framework.Constants
         Unk2 = 0x04, //  2
         BlockableSpell = 0x08, //  3 Only Dmg Class Melee In 3.1.3
         IgnoreResurrectionTimer = 0x10, //  4 You Don'T Have To Wait To Be Resurrected With These Spells
-        Unk5 = 0x20, //  5
+        NoDurabilityLoss = 0x20, //  5 No Durability Loss
         Unk6 = 0x40, //  6
         StackForDiffCasters = 0x80, //  7 Separate Stack For Every Caster
         OnlyTargetPlayers = 0x100, //  8 Can Only Target Players

Source/Game/Entities/Unit/Unit.cs

@@ -2585,6 +2585,9 @@ namespace Game.Entities
                 }
             }
 
+            if (spellProto != null && spellProto.HasAttribute(SpellAttr3.NoDurabilityLoss))
+                durabilityLoss = false;
+
             if (killed)
                 Kill(attacker, victim, durabilityLoss, skipSettingDeathState);
             else
@@ -2609,7 +2612,7 @@ namespace Game.Entities
                 else                                                // victim is a player
                 {
                     // random durability for items (HIT TAKEN)
-                    if (WorldConfig.GetFloatValue(WorldCfg.RateDurabilityLossDamage) > RandomHelper.randChance())
+                    if (durabilityLoss && WorldConfig.GetFloatValue(WorldCfg.RateDurabilityLossDamage) > RandomHelper.randChance())
                     {
                         byte slot = (byte)RandomHelper.IRand(0, EquipmentSlot.End - 1);
                         victim.ToPlayer().DurabilityPointLossForEquipSlot(slot);
@@ -2619,7 +2622,7 @@ namespace Game.Entities
                 if (attacker != null && attacker.IsPlayer())
                 {
                     // random durability for items (HIT DONE)
-                    if (RandomHelper.randChance(WorldConfig.GetFloatValue(WorldCfg.RateDurabilityLossDamage)))
+                    if (durabilityLoss && RandomHelper.randChance(WorldConfig.GetFloatValue(WorldCfg.RateDurabilityLossDamage)))
                     {
                         byte slot = (byte)RandomHelper.IRand(0, EquipmentSlot.End - 1);
                         attacker.ToPlayer().DurabilityPointLossForEquipSlot(slot);