Global Indoor Furniture Market Size, Share & Demand Report By Product Type (Living Room Furniture, Bedroom Furniture, Dining Room Furniture, Kitchen Furniture, Home Office Furniture, Bathroom Furniture), By Material (Wood, Metal, Plastic, Glass, Upholstered, Composite), By Distribution Channel (Offline Retail, Online Retail, D2C), By End-Use (Residential, Commercial, Institutional), By Region & Segment Forecasts, 2026–2031