D23951: Improve desktop layout and panel editing UX

[Björn Feber]

GB_2 edited the summary of this revision.

REPOSITORY
  R242 Plasma Framework (Library)

REVISION DETAIL
  https://phabricator.kde.org/D23951

To: GB_2, #plasma, #vdg
Cc: ngraham, #vdg, kde-frameworks-devel, #plasma, LeGast00n, GB_2, michaelh, 
bruns