Automotive Ignition Coil Aftermarket Market Size & Forecasts 2026-2035, By Segments (Vehicle Type, Fuel Type, Sales Channel, Ignition Coil Type), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Denso, NGK Spark Plug, Delphi Technologies, Bosch, Valeo)