WIP: Sync with latest version from iSolve

[mguidon]

What do these changes do?

Add all changes done for iSolve. Ongoing, since there may be more changes due to ti-solutions

Related issue number

Checklist

• [ ] I think the code is well written
• [ ] Unit tests for the changes exist
• [ ] Documentation reflects the changes
• [ ] If you design a new module, add your user to .github/CODEOWNERS

[sanderegg]

@mguidon I close that PR since it was integrated already in another.