Railway Energy Storage System Market Size, Share & Industry Analysis, By Railway Type (Urban Rail Transit, Mainline Railways, High-Speed Rail, and Freight Railways), By Storage Technology (Battery Energy Storage Systems (BESS), Supercapacitors / Ultracapacitors, Flywheel Energy Storage Systems, and Hybrid Energy Storage Systems), By Component (Energy Storage Units, Power Conversion Systems, Energy Management Systems (EMS), Thermal Management Systems, and Enclosures & Balance of System), and Regional Forecast, 2026-2034