Global Door Handles Market Size, Share & Demand Report By Product Type (Lever Handles, Knob Handles, Pull Handles, Push Plates & Pad Handles, Smart/Digital Door Handles), By Material Type (Stainless Steel, Aluminum, Brass, Zinc Alloy, Plastic/Composite, Glass/Wood), By Application (Residential, Commercial, Industrial), By Distribution Channel (OEM, Aftermarket, E-commerce), By Price Segment (Economy, Mid-range, Premium/Luxury), By Region & Segment Forecasts, 2026–2031