Global Multifunction Kitchen Sink Market Size, Share & Demand Report By Material Type (Stainless Steel, Granite/Quartz Composite, Fireclay/Ceramic, Cast Iron, Copper), By Installation Type (Top Mount/Drop-in, Undermount, Farmhouse/Apron Front, Integrated Countertop, Flush Mount), By Bowl Configuration (Single Bowl, Double Bowl, Multi-Compartment), By Distribution Channel (Online Retail, Offline Retail), By End-Use (Residential, Commercial) By Region & Segment Forecasts, 2026–2031