fix(DB/ZulGurub): Hoodoo Piles should not melee atack their targets. (#12269)

Will of Hakkar is casted on pile looter.
Fixes #12186

data/sql/updates/pending_db_world/rev_1656749058349666900.sql

@@ -0,0 +1,6 @@
+--
+UPDATE `creature_template` SET `flags_extra`=130 WHERE `entry`=15047;
+
+DELETE FROM `smart_scripts` WHERE `entryorguid`=15047 AND `source_type`=0;
+INSERT INTO `smart_scripts` VALUES
+(15047,0,0,0,1,0,100,1,500,500,0,0,0,11,24178,0,0,0,0,0,23,0,0,0,0,0,0,0,0,'Gurubashi - OOC - Cast Will of Hakkar');

src/server/game/Entities/GameObject/GameObject.cpp

@@ -2058,17 +2058,16 @@ void GameObject::CastSpell(Unit* target, uint32 spellId)
     bool self = false;
     for (uint8 i = 0; i < MAX_SPELL_EFFECTS; ++i)
     {
-        if (spellInfo->Effects[i].TargetA.GetTarget() == TARGET_UNIT_CASTER)
+        if (spellInfo->Effects[i].TargetA.GetReferenceType() == TARGET_REFERENCE_TYPE_CASTER && !spellInfo->Effects[i].TargetB.GetTarget())
         {
             self = true;
             break;
         }
     }
 
-    if (self)
+    if (self && target && target->GetGUID() != GetGUID())
     {
-        if (target)
+        target->CastSpell(target, spellInfo, true);
-            target->CastSpell(target, spellInfo, true);
         return;
     }