Summary:
UserAdded was called only when other parameters were provided for a new user beside name and realname.
Which could not happen since 2471fa7d and given the order the setData are called in accountinfo.cpp

Alternative to D26977

BUG: 416801
FIXED-IN: 5.18

Test Plan:
Create a new user with a password
in a terminal su new_user

Reviewers: ngraham, davidedmundson, #plasma

Reviewed By: davidedmundson, #plasma

Subscribers: plasma-devel

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D26998