Core/Objects: Allow more specific checks to include or exclude feign death units in CreatureWithOptionsInObjectRangeCheck::IsAlive check (#30361)

* this also extends SMART_TARGET_CLOSEST_CREATURE dead param
Port From (https://github.com/TrinityCore/TrinityCore/commit/92efc2523b75e4ca01be7d0894ed8bc979cb3049)

Source/Framework/Constants/ObjectConst.cs

@@ -258,4 +258,14 @@ namespace Framework.Constants
         FromRedirect = 0x01,
         HasRedirected = 0x02
     }
+
+    public enum FindCreatureAliveState
+    {
+        Alive = 0, // includes feign death
+        Dead = 1, // excludes feign death
+        EffectivelyAlive = 2, // excludes feign death
+        EffectivelyDead = 3, // includes feign death
+
+        Max
+    }
 }

Source/Framework/Constants/SmartAIConst.cs

@@ -415,7 +415,7 @@ namespace Framework.Constants
         InvokerParty = 16,   // Invoker'S Party Members
         PlayerRange = 17,   // Min, Max
         PlayerDistance = 18,   // Maxdist
-        ClosestCreature = 19,   // Creatureentry(0any), Maxdist, Dead?, StringId
+        ClosestCreature = 19,   // Creatureentry(0any), Maxdist, findCreatureAliveState, StringId
         ClosestGameobject = 20,   // Entry(0any), Maxdist, StringId
         ClosestPlayer = 21,   // Maxdist
         ActionInvokerVehicle = 22,   // Unit'S Vehicle Who Caused This Event To Occur