mautrix-go now include a cryptohelper package, which solves all my issues and just works. the setting is now on by default, however packages are not yet built with it.
fixconfig
Python's json library retains the order of data in a JSON file, which meant settings sent to the web page would be in the right order. Go's encoding/json and maps do not retain order, so enumerate/enumerate_config.py opens the json file, and for each section, adds an "order" array which tells the web page in which order to display settings.
Specify the input and output files with -i and -o respectively.