Perlindungan Hukum Terhadap Pemegang Hak Tanggungan atas Objek Jaminan Debitur yang Kepemilikannya Dibatalkan oleh Pengadilan (Studi Putusan Nomor 423/Pdt.G/2020/PN Jkt. Sel Juncto Putusan Nomor 770/PDT/2022/PT. DKI) = Legal Protection for Mortgage Holders of Debtor's Collateral Objects Whose Ownership Has Been Canceled by the Court (Study of Decision Number 423/Pdt.G/2020/PN Jkt. Sel in conjunction with decision number 770/PDT/2022/PT. DKI)