Cassette Air Conditioner Market Size & Forecasts 2026-2035, By Segments (Installation Type, End Use, Distribution Channel, Capacity, Price Range, Application, Product Type), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Daikin, LG Electronics, Mitsubishi Electric, Gree Electric, Haier)