D8773: Improve discoverability of drag-and-drop of toolbar actions

[Elvis Angelaccio]

elvisangelaccio marked 2 inline comments as done.

REPOSITORY
  R263 KXmlGui

REVISION DETAIL
  https://phabricator.kde.org/D8773

To: elvisangelaccio, #frameworks, #vdg, dfaure
Cc: ngraham, colomar, abetts, apol