D16682: Fix test of scriptedeffectsloader when run from build directory without install

graesslin created this revision.
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REVISION SUMMARY
  On build.kde.org all tests loading scripted effects are failing. This
  seems to be because the effects are not installed.
  
  To make this work, this change introduces the following changes:
  
  - scripted effects are copied to ${build}/bin, like all binaries
  - the test sets XDG_DATA_DIRS env variable to point to ${build}/bin
  
  This change also needs to be added to further tests once this is
  accepted. Furthermore it could be considered whether KPackageLoader
  should consider the QCoreApplication::applicationDirPath in addition to
  the GenericDataLocation. This would make KPackageLoader work much better
  in a build tree only setup.

TEST PLAN
  Test passes locally, obviously not tried on build.kde.org

REPOSITORY
  R108 KWin

BRANCH
  effects-install-to-build

REVISION DETAIL
  https://phabricator.kde.org/D16682

AFFECTED FILES
  autotests/test_scripted_effectloader.cpp
  effects/dialogparent/package/CMakeLists.txt
  effects/eyeonscreen/package/CMakeLists.txt
  effects/fade/CMakeLists.txt
  effects/fadedesktop/CMakeLists.txt
  effects/frozenapp/package/CMakeLists.txt
  effects/login/package/CMakeLists.txt
  effects/logout/package/CMakeLists.txt
  effects/maximize/package/CMakeLists.txt
  effects/scale/package/CMakeLists.txt
  effects/squash/package/CMakeLists.txt
  effects/translucency/package/CMakeLists.txt

To: graesslin, #kwin
Cc: kwin, mkulinski, ragreen, jackyalcine, Pitel, iodelay, bwowk, ZrenBot, ngraham, lesliezhai, ali-mohamed, hardening, jensreuterberg, abetts, sebas, apol, mart