Core/Auras: Implemented SPELL_ATTR7_DISABLE_AURA_WHILE_DEAD (suppress aura applications while dead without removing the aura)

Port From (https://github.com/TrinityCore/TrinityCore/commit/0f7dd4eadf90a5407fd232d083485430d725152f)

Source/Framework/Constants/Spells/SpellConst.cs

@@ -1894,7 +1894,7 @@ namespace Framework.Constants
     {
         Unk0 = 0x01, //  0 Shaman'S New Spells (Call Of The ...), Feign Death.
         IgnoreDurationMods = 0x02, //  1 Duration is not affected by duration modifiers
-        ReactivateAtResurrect = 0x04, //  2 Paladin'S Auras And 65607 Only.
+        DisableAuraWhileDead = 0x04, //  2 Disable Aura While Dead
         IsCheatSpell = 0x08, //  3 Cannot Cast If Caster Doesn'T Have Unitflag2 & UnitFlag2AllowCheatSpells
         Unk4 = 0x10, //  4 Only 47883 (Soulstone Resurrection) And Test Spell.
         SummonTotem = 0x20, //  5 Only Shaman Player Totems.

Source/Game/Spells/Auras/Aura.cs

@@ -2716,6 +2716,9 @@ namespace Game.Spells
 
         public override void FillTargetMap(ref Dictionary<Unit, uint> targets, Unit caster)
         {
+            if (GetSpellInfo().HasAttribute(SpellAttr7.DisableAuraWhileDead) && !GetUnitOwner().IsAlive())
+                return;
+
             Unit refe = caster;
             if (refe == null)
                 refe = GetUnitOwner();