Spout and Non-Spout Liquid Pouch Packaging Market Size & Forecasts 2026-2035, By Segments (Application, Spout Type, Material, Capacity), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Amcor, Mondi Group, Tetra Pak, Sealed Air, Bemis Company)