Global Paperboard Tray Market Size, Share & Demand Report By Material Type (Virgin Fiber Paperboard Trays, Recycled Fiber Paperboard Trays), By Tray Structure (Single-Cavity Trays, Multi-Cavity Trays, Compartmentalized Trays), By Manufacturing Process (Molded Fiber Trays, Die-Cut Paperboard Trays, Thermoformed Fiber Trays, Laminated or Coated Paperboard Trays), By End-Use Industry (Food & Beverage Packaging, Consumer Electronics Packaging, Healthcare & Medical Device Packaging, Cosmetics & Personal Care Packaging, Industrial Goods Packaging), By Region & Segment Forecasts, 2026–2031