Core/Units: Replace UNIT_DYNFLAG_DEAD with UNIT_FLAG3_FAKE_DEAD

Port From (https://github.com/TrinityCore/TrinityCore/commit/ed93a9706842ff5419279d4b2c473943e6ef2549)

Source/Framework/Constants/UnitConst.cs

@@ -578,7 +578,7 @@ namespace Framework.Constants
         TrackUnit               = 0x08,
         Tapped                  = 0x10,     // Lua_UnitIsTapped
         SpecialInfo             = 0x20,
-        Dead                    = 0x40,
+        Unused                  = 0x40,     // previously UNIT_DYNFLAG_DEAD
         ReferAFriend            = 0x80
     }
 }

Source/Game/Spells/Auras/AuraEffect.cs

@@ -1706,7 +1706,7 @@ namespace Game.Spells
 
                 target.SetUnitFlag(UnitFlags.PreventEmotesFromChatText);
                 target.SetUnitFlag2(UnitFlags2.FeignDeath);
-                target.SetDynamicFlag(UnitDynFlags.Dead);
+                target.SetUnitFlag3(UnitFlags3.FakeDead);
                 target.AddUnitState(UnitState.Died);
 
                 Creature creature = target.ToCreature();
@@ -1717,7 +1717,7 @@ namespace Game.Spells
             {
                 target.RemoveUnitFlag(UnitFlags.PreventEmotesFromChatText);
                 target.RemoveUnitFlag2(UnitFlags2.FeignDeath);
-                target.RemoveDynamicFlag(UnitDynFlags.Dead);
+                target.RemoveUnitFlag3(UnitFlags3.FakeDead);
                 target.ClearUnitState(UnitState.Died);
 
                 Creature creature = target.ToCreature();

Source/Scripts/Spells/Generic.cs

@@ -1848,7 +1848,7 @@ namespace Scripts.Spells.Generic
         void HandleEffectApply(AuraEffect aurEff, AuraEffectHandleModes mode)
         {
             Unit target = GetTarget();
-            target.SetDynamicFlag(UnitDynFlags.Dead);
+            target.SetUnitFlag3(UnitFlags3.FakeDead);
             target.SetUnitFlag2(UnitFlags2.FeignDeath);
             target.SetUnitFlag(UnitFlags.PreventEmotesFromChatText);
 
@@ -1860,7 +1860,7 @@ namespace Scripts.Spells.Generic
         void OnRemove(AuraEffect aurEff, AuraEffectHandleModes mode)
         {
             Unit target = GetTarget();
-            target.RemoveDynamicFlag(UnitDynFlags.Dead);
+            target.RemoveUnitFlag3(UnitFlags3.FakeDead);
             target.RemoveUnitFlag2(UnitFlags2.FeignDeath);
             target.RemoveUnitFlag(UnitFlags.PreventEmotesFromChatText);
 
@@ -1915,7 +1915,7 @@ namespace Scripts.Spells.Generic
         void HandleEffectApply(AuraEffect aurEff, AuraEffectHandleModes mode)
         {
             Unit target = GetTarget();
-            target.SetDynamicFlag(UnitDynFlags.Dead);
+            target.SetUnitFlag3(UnitFlags3.FakeDead);
             target.SetUnitFlag2(UnitFlags2.FeignDeath);
 
             Creature creature = target.ToCreature();
@@ -1926,7 +1926,7 @@ namespace Scripts.Spells.Generic
         void OnRemove(AuraEffect aurEff, AuraEffectHandleModes mode)
         {
             Unit target = GetTarget();
-            target.RemoveDynamicFlag(UnitDynFlags.Dead);
+            target.RemoveUnitFlag3(UnitFlags3.FakeDead);
             target.RemoveUnitFlag2(UnitFlags2.FeignDeath);
 
             Creature creature = target.ToCreature();

Source/Scripts/Spells/Quest.cs

@@ -1151,7 +1151,7 @@ namespace Scripts.Spells.Quest
         void HandleApply(AuraEffect aurEff, AuraEffectHandleModes mode)
         {
             Unit target = GetTarget();
-            target.SetDynamicFlag(UnitDynFlags.Dead);
+            target.SetUnitFlag3(UnitFlags3.FakeDead);
             target.SetUnitFlag2(UnitFlags2.FeignDeath);
 
             Creature creature = target.ToCreature();

Source/Scripts/World/NpcSpecial.cs

@@ -1059,7 +1059,7 @@ namespace Scripts.World.NpcSpecial
                 me.RemoveUnitFlag(UnitFlags.InCombat);
                 me.SetUnitFlag(UnitFlags.Uninteractible);
                 me.SetDeathState(DeathState.JustDied);
-                me.SetDynamicFlag(UnitDynFlags.Dead);
+                me.SetUnitFlag3(UnitFlags3.FakeDead);
 
                 if (!DoctorGUID.IsEmpty())
                 {