D13054: SwipeItem: Fix using QRC resources and custom image providers.

[Emmanuel Lepage Vallee]

lepagevalleeemmanuel created this revision.
lepagevalleeemmanuel added a reviewer: mart.
Restricted Application added a project: Kirigami.
Restricted Application added a subscriber: plasma-devel.
lepagevalleeemmanuel requested review of this revision.

REVISION SUMMARY
  This patch does 2 things.
  
  1. Check for the iconSource as defined in Action.qml
  
  2. Mitigate the misuse of QUrl in desktopicon.cpp
  
  Note that this isn't 100% correct. Imageprovider strings are not really URL, they are URI, it can be anything and include URI arguments. I think the proper solution would be to check exactly what QML does when ocnversion `image://` into identifier and do exactly that. Right now a string that works in `Image{}` and was valid per the image provider doc was modified by QUrl into something else.

TEST PLAN
  Manual testing

REPOSITORY
  R169 Kirigami

REVISION DETAIL
  https://phabricator.kde.org/D13054

AFFECTED FILES
  src/controls/templates/SwipeListItem.qml
  src/desktopicon.cpp

To: lepagevalleeemmanuel, mart
Cc: plasma-devel, apol, davidedmundson, mart, hein
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