kcms/ksmserver: Restore default logout option
While it's not used when explicitly clicking Shutdown/Restart/Logout from Kickoff, there's plenty of other places where a generic "Leave..." command is issued, such as the desktop context menu or even by default when pressing the power button.
This reverts 6710b868
BUG: 483374 FIXED-IN: 6.1.0
Pressing the power button isn’t something I would call a “niche use case”
This adds a contextual help button and changes the wording to alleviate some confusion:
However, with the new simplified logout prompt in 6.1, choosing “Shutdown” will offer you only Shutdown in the “Leave…” menu. That’s something we also need to address.