Global Smokeless Fire Pits Market Size, Share & Demand Report By Product Type (Tabletop, Freestanding/Portable, Built-in/Fixed, Outdoor Decorative), By Fuel Type (Bioethanol, Gel Fuel, Wood Pellets, Propane/Butane, Other Renewable Fuels), By End-Use Industry (Residential, Commercial, Public Spaces, Recreational & Tourism), By Region & Segment Forecasts, 2025-2030