Automotive Tailgate Market Size, Share & Industry Analysis, By Vehicle Type (Hatchbacks, Sedans, SUVs, Pickup Trucks, and Vans), By Propulsion Type (ICE and Electric), By Component (Tailgate Structural Assembly, Hinges & Support Systems, Latches & Locking Systems, Actuation Systems, Electronic Controls & Sensors, & Seals, Trim & Other Components), By Material (Steel, Aluminum, Plastic & Composite, & Hybrid/Multi-Material), By Tailgate Operation Type (Manual Tailgates & Powered Tailgates), By Sales Channel (OEM/Factory Installation & Aftermarket & Replacement), & Regional Forecast, 2026-2034