This one is the version linked by the Firefox addon [0]. Honestly can't tell if one or the other is better but I like having it automatically enabled. Considering it hasn't been updated for years (but still works) I'm not particularly worried.
[0] https://addons.mozilla.org/en-US/firefox/addon/don-t-fuck-wi...
https://github.com/jswanner/DontF-WithPaste?tab=readme-ov-fi...