i am unable to edit actual checkout page when i try to open check out page it opens a sample checkout page
and this message appears on top which is
"You are designing a sample checkout page. We're in the process of rolling out a new experience for checkout, and changes you make may not appear to all shoppers during the rollout. Checkout is disabled."
i want to add a "continue shopping" button in checkout page is there any way to make changes either through custom code or through any other way please do let me know