The mod now supports the same functionality for lecterns that the chiseled bookshelf has!
You can turn this off with the new config. It uses cloth-config and mod menu.
But also there is a file that generates when you start the game if you don't want to use the config mod & and modmenu
In your config map under bookshelfinspector-config.yml
Servers must have this to work with lecterns. But the Mod will work on servers that don't have the latest update. It will work like the old version