Stone-Coated Steel Roofing Market Size & Forecasts 2026-2035, By Segments (End Use, Surface Coating, Roof Type, Shape, Color), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Boral, Decra, Gerard Roofs, Metrotile, Roser Stone-coated)