Automotive Window and Exterior Sealing System Market Size & Forecasts 2026-2035, By Segments (Vehicle Type, Material Type, Functionality), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Henniges Automotive, Cooper-Standard, Toyoda Gosei, Hutchinson, Trelleborg)