Mental Health EHR Software Market Size, Share & Industry Analysis, By Product (Core Mental Health EHR/EMR Software, Practice Management & Administrative Workflow Software, Revenue Cycle Management & Billing Solutions, and Others), By Deployment (Cloud-Based, On-Premise, and Hybrid), By Application (Clinical Documentation & Treatment Planning, Practice Administration & Scheduling, Medication Management & e-Prescribing, Billing, and Others), By Type, By End User (Behavioral Health Clinics, Psychiatry Practices, Hospitals & Psychiatric Facilities, and Others), and Regional Forecast, 2026-2034