Automotive Door Module Market Size, Share & Demand Report By Module Type (Mechanical Door Modules, Electronic Door Modules, Smart Modular Door Systems), By Vehicle Type (Passenger Vehicles, Commercial Vehicles, Electric Vehicles), By Material Type (Steel Components, Aluminum Components, Lightweight Composite Materials, Engineered Plastics), By Sales Channel (OEM, Aftermarket) By Region & Segment Forecasts, 2026–2034