Freighter Aircraft Market Size & Forecasts 2026-2035, By Segments (Aircraft Type, Operation Type, Propulsion System, Range, Cargo Type), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Boeing, Airbus, Lockheed Martin, Antonov, Comac)