Smart Cars Market Size, Share & Industry Analysis, By Level of Automation (Level 0–1, Level 2, Level 3, Level 4 & Above), By Connectivity Type (Embedded Connectivity, Tethered Connectivity, and Integrated Connectivity), By Propulsion Type (ICE, Hybrid, and BEV), By Vehicle Type (Hatchback, Sedan, SUV, and LCVs), By Feature Integration Category (Advanced Driver Assistance Systems (ADAS), Infotainment & Digital Cockpit, Telematics & Remote Diagnostics, and Autonomous Driving Compute Platforms), and Regional Forecast, 2026–2034