Add "authenticate" action
Summary:
When printer/job requires authentication, for example SMB share, it is not possible to authenticate the job.
This change adds "Authenticate" menu action.
Part of the T11977
Test Plan:
Add printer that requires authentincation, for example SMB share.
Do not provide username nor password.
Job will be held with status authentication error.
Right click on the job, select "Authenticate" menu action.
CCBUG: 313619
Reviewers: ndavis, dantti, ngraham, broulik
Reviewed By: dantti
Subscribers: kde-utils-devel
Maniphest Tasks: T11977
Differential Revision: https://phabricator.kde.org/D25155