Improve overall performance — DecayZ Origin Steam update #1388405

⚙️ Performance Improvements Optimized overall game performance, reducing frame drops and improving stability across all hardware configurations. Enhanced memory management and CPU utilization, resulting in smoother gameplay. 💡 Lighting Enhancements Improved dynamic lighting quality and efficiency. Balanced global illumination for better realism in both indoor and outdoor environments. Fixed occasional lighting artifacts in low-light areas. 🌑 Shadow Improvements Refined shadow rendering to improve sharpness and consistency. Reduced shadow flickering and improved shadow transitions at various distances. Optimized shadow calculations for better performance.