re-enable the node reset feature in Duniter-desktop UI

Many user face a problem since the version 1.7.11 :

the node reset feature don't give anything

see description here : https://forum.duniter.org/t/duniter-v1-7-16-bug-a-l-ajout-d-une-certification-d-un-non-membre-dans-le-bloc-a-calculer/5952/43?u=candidesk8

Edited Apr 11, 2019 by Candidesk8

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information