Global Self Heating Food Packaging Market Size, Share, Growth Analysis By Packaging Type (Cans, Bottles, Pouches), By Application (Military Personnel, Mountaineers, Field Engineers, Others), By End Use (Food, Beverage), By Distribution Channel (Supermarkets & Hypermarkets, Retail Stores, Wholesalers, Online Channel, Others), By Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Statistics, Trends and Forecast 2025-2034