Global Digital Signage in Quick Service Restaurants (QSRs) Market Size, Share & Foodservice Analysis By Component (Hardware, Software, Service), By Application (Indoor Signage, Outdoor Signage), By Resolution (8K, 4K, Full High Definition (FHD), High Definition (HD), Lower than HD), By Technology (LCD, LED, OLED, Projection), By Signage Size (Below 32 Inches, 32 to 52 Inches, Above 52 Inches), Digital Ordering & POS Integration, Franchise Expansion Trends, Regional Performance, Competitive Strategies & Forecast 2025–2034