D17815: [Wallpaper] Allow adding multiple images at once from the file picker dialog

[Nathaniel Graham]

ngraham created this revision.
ngraham added reviewers: Konsole, broulik, davidedmundson.
Herald added a project: Plasma.
Herald added a subscriber: plasma-devel.
ngraham requested review of this revision.

REVISION SUMMARY
  BUG: 402223
  FIXED-IN: 5.15.0

TEST PLAN
  Added multiple images from the file dialog. They all showed up in the wallpaper grid.

REPOSITORY
  R120 Plasma Workspace

BRANCH
  wallpaper-chooser-add-multiple-images-at-a-time (branched from master)

REVISION DETAIL
  https://phabricator.kde.org/D17815

AFFECTED FILES
  wallpapers/image/image.cpp

To: ngraham, #konsole, broulik, davidedmundson
Cc: plasma-devel, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart
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