[Differential] [Request, 3 lines] D3232: [Lock Screen] Don't assume last user is "New Session" entry

[broulik (Kai Uwe Broulik)]

broulik created this revision.
broulik added reviewers: Plasma, subdiff.
broulik set the repository for this revision to rPLASMAWORKSPACE Plasma Workspace.
Restricted Application added a project: Plasma.
Restricted Application added a subscriber: plasma-devel.

REVISION SUMMARY
  Ask the model instead. The entry might not be there if the user is not allowed to start a new session

TEST PLAN
  Creating new sessions (didn't know there was magic code in the session model that switching to a negative VT would start a new session...) and switching still works. Button label is also correct, even if I'm not allowed to create a new session and I select the last user.

REPOSITORY
  rPLASMAWORKSPACE Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D3232

AFFECTED FILES
  lookandfeel/contents/lockscreen/LockScreenUi.qml

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

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