[Differential] [Request, 4 lines] D2717: ErrorOverlay: fix dialogs being disabled by the mainwindow

[dfaure (David Faure)]

dfaure created this revision.
dfaure added reviewers: vkrause, dvratil.
dfaure added a subscriber: KDE PIM.
Restricted Application added a project: KDE PIM.
Restricted Application added a subscriber: kde-pim.

REVISION SUMMARY
  Testcase: open "jump to folder", cancel, restart akonadi,
  reopen the dialog, it was disabled.
  
  This happened because disabling the window actually disables
  the child dialog too, so the saved state for the dialog was
  "disabled". The fix is to save the "explicitly disabled" state
  rather than isDisabled(). Thanks to Volker for helping me figure
  this out.

REPOSITORY
  rAKONADI Akonadi

BRANCH
  Applications/16.08

REVISION DETAIL
  https://phabricator.kde.org/D2717

AFFECTED FILES
  src/widgets/erroroverlay.cpp

EMAIL PREFERENCES
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To: dfaure, vkrause, dvratil
Cc: kde-pim, #kde_pim, spencerb, dvasin, winterz, smartins, vkrause, mlaurent, knauss, dvratil
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