Self-Injection Device Market Size, Share & Industry Analysis, By Product Type (Pen Injectors, Autoinjectors, Needle Free Injectors, and Wearable Injectors), By Delivery Type (On body Delivery and Patient Controlled Delivery), By Type (Disposable and Reusable), By Application (Autoimmune Disorders, Diabetes, Pain Management, and Others), By End-user (Pharmaceutical & Biotechnology Companies and Contract Research & Manufacturing Organizations), and Regional Forecast, 2026-2034