Casein Protein Market Size, Share & Industry Analysis, By Product Type (Micellar Casein, Acid Casein, Rennet Casein, Caseinates, Hydrolyzed Casein, and Others), By Milk Source (Bovine Milk, Goat Milk, Sheep & Buffalo Milk, and Others), By Nature (Conventional and Organic), By Application (Food & Beverage [Dairy & Cheese Products, Bakery Products, Confectionery, Sauces/Soups/Dressings, Beverages, and Others], Sports & Performance Nutrition, Infant & Early-Life Nutrition, Pharmaceutical & Medical Nutrition, and Others), and Regional Forecast, 2026-2034