fix(Core/Unit): Check if the unit is within melee range before proces… (#13697)

fix(Core/Unit): Check if the unit is within melee range before processing extra attack procs

src/server/game/Entities/Unit/Unit.cpp

@@ -468,10 +468,13 @@ void Unit::Update(uint32 p_time)
             uint32 count = itr->second;
             extraAttacksTargets.erase(itr);
             if (Unit* victim = ObjectAccessor::GetUnit(*this, targetGuid))
+            {
+                if (victim->IsWithinMeleeRange(this))
                 {
                     HandleProcExtraAttackFor(victim, count);
                 }
             }
+        }
         _lastExtraAttackSpell = 0;
     }