In-flight Catering Services Market Size & Forecasts 2026-2035, By Segments (Flight Type, Aircraft Class, Catering Type), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (LSG Sky Chefs, Gate Gourmet, dnata, Emirates Flight Catering, SATS Ltd)