As an admin I would like to press enter to validate my tag name

[rguillome]

Is your feature request related to a problem? Please describe.
It' annoying when I want to complete the category or tag's name and I have to click the tick but I'm allergic to mouses' fur.

Describe the solution you'd like
Validation any single modification by pressing Enter key !

** Contexte **
I'm under Firefox 72.0.2 64 bits
(Ubuntu 19)

[Errorname]

Thanks for raising this issue 🙏

Since I am currently working on a refactoring of FAQ that should be released soon, I'll implement the change directly on the refactoring.