Real Estate Transaction Management Software Market By Offering (Solutions (Cloud, On Premise), Services); By Organization Size (Small and Medium Enterprises, Large Enterprises); By End-Users (Brokerage Firms, Real Estate Agencies, Others); By Type (Standalone, Integrated); By Regions (Northeast, Midwest, West, South) - U.S. Insights, Growth, Size, Comparative Analysis, Trends and Forecast, 2020-2028