Global Digital Ballasts Market Size, Share & Demand Report By Product Type (Electronic Ballasts, Programmable Ballasts, Dimmable Ballasts), By Technology (High-Frequency Digital Ballasts, Low-Frequency Digital Ballasts, Smart & IoT-Enabled Ballasts), By Lamp Type (Fluorescent, LED, HID), By End Use (Commercial, Industrial, Residential, Public Infrastructure), By Distribution Channel (Direct Sales, Retail & E-Commerce), By Region & Segment Forecasts, 2025–2030