fix: Fix DOMElement#setCutoutState
fix: Fix DOMElement#setCutoutState

* Make setCutoutState chainable
* Fix "initialized" check

noikiy/engine,noikiy/engine,Wanderfalke/engine,sonwh98/engine,codesdk/engine,sonwh98/engine,tbossert/engine,trusktr/engine,beni55/engine,trusktr/engine,andreaslangsays/engine,nmai/engine,prepare/engine,aug2uag/engine,huanghjb/engine,yummy222/engine,steveblue/engine,Bizboard/engine,Wanderfalke/engine,woltemade/engine,aug2uag/engine,Bizboard/engine,artichox/engine,Morgantheplant/engine,Famous/engine,manyoo/engine,infamous/famous-engine,CedarLogic/engine,mcanthony/engine,andreaslangsays/engine,talves/famous-engine,manyoo/engine,codesdk/engine,arunabhdas/engine,talves/famous-engine,infamous/engine,steveblue/engine,Morgantheplant/engine,avikalpa/engine,nmai/engine,mcanthony/engine,arunabhdas/engine,infamous/engine,Famous/engine,prepare/engine,beni55/engine,yummy222/engine,infamous/famous-engine,huanghjb/engine,avikalpa/engine,CedarLogic/engine,artichox/engine,tbossert/engine,woltemade/engine