Autonomous Tractors Market Size, Share & Industry Analysis, By Autonomy level (L2/L3 and L4/L5), By Propulsion (Conventional and Electric), By Power Classes (<60 hp, 60–129 hp, 130–199 hp, and 200+ hp), By Application (Tillage and seeding, Spraying and Precision Application, Harvest Support, Mowing, Landscaping & Grass operations, and Specialty Tasks), and Regional Forecast, 2026-2034