Biodegradable/Eco-friendly Phone Cases Market Size, Share & Industry Analysis, By Product Type (Slim Back Covers, Bumper Cases, Wallet Cases, Rugged Cases, and Others), By Material (Plant-based Materials, Recycled & Upcycled Materials, and Others), By End-User (Individual Consumers and Corporate & Institutional Buyers), By Distribution Channel (Electronics & Mobile Accessory Store, Supermarkets & Hypermarkets, Direct Sales, Online Retail, and Others), and Regional Forecast, 2026-2034