Pengaruh Pembiayaan Berbasis Bagi Hasil, Diversifikasi Produk Pembiayaan, dan Kualitas Institusi Terhadap Stabilitas Bank Syariah: Studi Kasus di Indonesia dan Malaysia Periode 2011-2023 = The Effects of Profit-Loss Sharing Financing, Financing Product Diversification, and Institutional Quality on Islamic Bank Stability: A Case Study in Indonesia and Malaysia for the 2011-2023 Period