[Differential] [Accepted] D3231: [Lock Screen] Show "Switch User" button only if allowed

[subdiff (Roman Gilg)]

subdiff accepted this revision.

REPOSITORY
  rPLASMAWORKSPACE Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D3231

EMAIL PREFERENCES
  https://phabricator.kde.org/settings/panel/emailpreferences/

To: broulik, #plasma, mart, subdiff
Cc: davidedmundson, plasma-devel, lesliezhai, ali-mohamed, jensreuterberg, 
abetts, sebas