Global Water Dispenser Market Size, Share & Demand Report By Product Type (Bottled Water Dispensers, Bottle-less Water Dispensers, Countertop Water Dispensers, Freestanding Water Dispensers), By Technology (Compressor-Based Cooling, Thermoelectric Cooling, Reverse Osmosis, UV & Ultrafiltration), By End-Use (Residential, Commercial, Institutional, Industrial), By Distribution Channel (Direct Sales, Retail, E-commerce, Rental Models), By Region & Segment Forecasts, 2026–2031