The "Reverse Merge Change" of studio pro won't downgrade the version of studio pro.
To do so, here is a procedure that has worked with GIT
Hey Dale Dela Cruz!
You can check a similar question here: https://forum.mendix.com/link/space/studio-pro/questions/130228
If you have git instead of SVN maybe you can use SourceTree or GitHub desktop to revert the commit
Hope this helps you.
If you have any other doubt please let me know.
Kind regards