HAS_DOTNET check if .NET is available
.NET support in Matlab for macOS and Linux became available in R2025a. Ref: % https://www.mathworks.com/help/releases/R2024b/matlab/matlab_external/system-requirements-for-using-matlab-interface-to-net.html
.NET support in Matlab for macOS and Linux became available in R2025a. Ref: % https://www.mathworks.com/help/releases/R2024b/matlab/matlab_external/system-requirements-for-using-matlab-interface-to-net.html