Global Garden Decor Market Size, Share & Demand Report By Product Type (Outdoor Furniture, Planters & Containers, Lighting & Illumination, Water Features, Decorative Structures, Garden Art & Sculptures, Outdoor Rugs & Textiles, Fire Pits & Heating Elements), By Material (Wood, Metal, Plastic & Resin, Stone & Concrete, Glass & Ceramics, Mixed Materials), By Distribution Channel (Offline Retail, Online Retail), By End Use (Residential, Commercial) By Region & Segment Forecasts, 2026–2031