Gelato Market Size, Share & Industry Analysis, By Source (Dairy and Non-dairy), By Flavor (Vanilla, Chocolate, Berries, Fruits, Nuts, and Others), By Packaging (Impulse and Take-home), By Distribution Channel (Retail Channels {Supermarkets/Hypermarkets, Specialty Stores/Ice cream Parlors, Online Retail, and Others} and Food Service Channels), and Regional Forecast, 2026-2034