Is there a version of archive_this compatible with the current version of Thunderbird please?
The author says he’s working on it: https://github.com/adamroach/tb-archive-this/issues/12
In this list of 78-compatible addons there are several that aim to make moving messages easier:
https://cleidigh.github.io/ThunderKdB/xall/extension-list-tbmx.html
Look for ones with ‘move’ in the title.