D20024: Fixes crash when hiding devices

[David Hallas]

hallas marked an inline comment as done.
hallas added inline comments.

INLINE COMMENTS

> elvisangelaccio wrote in kstandarditem.cpp:117-118
> Feel free to try :)

Ok, I have now changed `KStandardItem` to derive from `QObject` instead, and then call `deleteLater` when removing an item. This also fixes the crash and I think it is a _much_ nicer fix. Also this removes some of the custom parent/children code from `KStandardItem`

REPOSITORY
  R318 Dolphin

REVISION DETAIL
  https://phabricator.kde.org/D20024

To: hallas, #dolphin, elvisangelaccio
Cc: ngraham, kfm-devel, alexde, feverfew, meven, spoorun, navarromorales, firef, andrebarros, emmanuelp, mikesomov
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