The text even addresses this ... When you add it all up, the Dwarven rings don't really function in quite the practical and logistical way that we're seeing in "The Rings of Power." ...
In the original text, the design of the Doors is depicted ... whisking players to the Dwarven homeland of Moria. They Were Made By Both Elves and Dwarves By the time of The Lord of the Rings ...