Gift Retailing Market Size, Share & Industry Analysis, By Product (Greeting Cards, Jewelry, Flowers & Chocolates, Apparel & Accessories, Toys & Games, Home Décor, and Others), By Category (Festive Gifts, Personal Gifts, and Corporate Gifts), By Distribution Channel (Supermarket/Hypermarket, Departmental Store, Online/E-Commerce, and Others), and Regional Forecast, 2026-2034