You’re covered by MasterCard’s Chargeback Protection. The question is more how willing your card issuer is to go through the process and how easy they make it.
Right now, the process is handled on a case by case basis with an external form, however there has been talk of moving it in-app after the current accounts and debit cards have rolled out.
More information is scattered around the community in discussions about credit cards and how well a debit card could match the protection offered by many credit card issuers (spoiler: shockingly well).