Evolution Plugin for External Text Editor
Apologies if this is the wrong place to post but I can't see a better option.
I am currently using Evolution version 3.38.0 (from Flatpak) in Linux Mint 20. In Plugins, I still have the External Text Editor plugin showing which I originally installed from the Linux Mint Software Manager when I was using an earlier version of Evolution with Linux Mint 18.x In those days I used it a lot but did not use it in Linux Mint 19.x (Evolution 3.38.x) so I don't know if it was still working then.
When I upgraded to Linux Mint 20, the version of Evolution in the Software Manager was 3.36.3 but I had TLS problems with it and had to replace it with version 3.36.4 from the GitHub Flatpak link. That has since upgraded to version 3.38.0 and everything is working just fine except the External Text Editor plugin which I would like to use again.
I have checked the Linux Mint 20 Software Manager and see that it now has Evolution 3.36.4 and the list of additional plugins does not include the External Text Editor.
So, my question is, is this plugin now obsolete and, if so, how can I remove it from my plugins menu? I can't purge my Flatpak version (3.38.0) and reinstall with 3.36.4 from the Software Manager because an Evolution backup made in 3.38.0 will not restore to a 3.36.4 installation. I tried.
Thanks in advance for your input.