Core/Spell: fix LoS checks for GameObject spells

Closes #21580

src/server/game/Spells/Spell.cpp

@@ -7398,6 +7398,11 @@ bool Spell::CheckEffectTarget(Unit const* target, uint32 eff, Position const* lo
     if (m_spellInfo->HasAttribute(SPELL_ATTR2_CAN_TARGET_NOT_IN_LOS) || DisableMgr::IsDisabledFor(DISABLE_TYPE_SPELL, m_spellInfo->Id, nullptr, SPELL_DISABLE_LOS))
         return true;
 
+    // check if gameobject ignores LOS
+    if (GameObject const* gobCaster = m_caster->ToGameObject())
+        if (gobCaster->GetGOInfo()->IsIgnoringLOSChecks())
+            return true;
+
     // if spell is triggered, need to check for LOS disable on the aura triggering it and inherit that behaviour
     if (IsTriggered() && m_triggeredByAuraSpell && (m_triggeredByAuraSpell->HasAttribute(SPELL_ATTR2_CAN_TARGET_NOT_IN_LOS) || DisableMgr::IsDisabledFor(DISABLE_TYPE_SPELL, m_triggeredByAuraSpell->Id, nullptr, SPELL_DISABLE_LOS)))
         return true;