Core/Spell: Reset threat to zero when the hunter use Feign Death

Closes #23874

src/server/game/Spells/Auras/SpellAuraEffects.cpp

@@ -2190,6 +2190,9 @@ void AuraEffect::HandleFeignDeath(AuraApplication const* aurApp, uint8 mode, boo
                 }
             }
         }
+		
+        for (auto& pair : target->GetThreatManager().GetThreatenedByMeList())
+          pair.second->ScaleThreat(0.0f);
 
         if (target->GetMap()->IsDungeon()) // feign death does not remove combat in dungeons
         {