Global Gelatin Market Size, Share & Demand Report By Product Type (Powder Gelatin, Sheet Gelatin, Granular Gelatin), By Application (Confectionery, Dairy & Processed Foods, Pharmaceutical Softgel Capsules, Cosmetics & Personal Care, Technical Applications), By Source (Bovine, Porcine, Marine, Others), By Region & Segment Forecasts, 2026–2031