[x11-libs/libkscreen] Qt5 version is renamed to libkscreen2 upstream.
[kde-base/plasma-workspace] Adapt to libkscreen rename.

Package-Manager: portage-2.2.8-r1
[x11-libs/libkscreen2] Use correct ebuild name.

Package-Manager: portage-2.2.8-r1
[kde-misc/kscreen] Pin libkscreen dependency to SLOT 4.

Package-Manager: portage-2.2.8-r1
[sets] Update kde-applications-live to account for libkscreen rename.