Split from https://bugs.kde.org/show_bug.cgi?id=302972

(note app says ktp-contactlist as accounts KCM was launched from there)
-- Backtrace:
Application: KDE Telepathy Contact List (ktp-contactlist), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
82	T_PSEUDO (SYSCALL_SYMBOL, SYSCALL_NAME, SYSCALL_NARGS)
[KCrash Handler]
#6  0x0000000002434f70 in ?? ()
#7  0x0000003a91f8c4d1 in QObject::disconnect (sender=0x25117e0, signal=0x25f3009 "rowsInserted(QModelIndex,int,int)", receiver=0x23fd3c0, method=0x313f219 "_k_slotRowsInserted(QModelIndex,int,int)") at kernel/qobject.cpp:2891
#8  0x0000003948a28abd in eventFilter (event=0x7ffffe0120a0, watched=0x24dbd50, this=0x2511290) at /usr/src/debug/kdelibs-4.8.4/kdeui/itemviews/kwidgetitemdelegate.cpp:253
#9  KWidgetItemDelegatePrivate::eventFilter (this=0x2511290, watched=0x24dbd50, event=0x7ffffe0120a0) at /usr/src/debug/kdelibs-4.8.4/kdeui/itemviews/kwidgetitemdelegate.cpp:236
#10 0x0000003a91f76556 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=<optimized out>, receiver=0x24dbd50, event=0x7ffffe0120a0) at kernel/qcoreapplication.cpp:1025
#11 0x0000003946fca34c in QApplicationPrivate::notify_helper (this=this@entry=0x1683ba0, receiver=receiver@entry=0x24dbd50, e=e@entry=0x7ffffe0120a0) at kernel/qapplication.cpp:4547
#12 0x0000003946fce7fa in QApplication::notify (this=0x7ffffe016d20, receiver=0x24dbd50, e=0x7ffffe0120a0) at kernel/qapplication.cpp:4412
#13 0x0000003948a46756 in KApplication::notify (this=0x7ffffe016d20, receiver=0x24dbd50, event=0x7ffffe0120a0) at /usr/src/debug/kdelibs-4.8.4/kdeui/kernel/kapplication.cpp:311
#14 0x0000003a91f763ee in QCoreApplication::notifyInternal (this=0x7ffffe016d20, receiver=0x24dbd50, event=0x7ffffe0120a0) at kernel/qcoreapplication.cpp:915
#15 0x0000003947011290 in sendEvent (event=0x7ffffe0120a0, receiver=0x24dbd50) at ../../src/corelib/kernel/qcoreapplication.h:231
#16 QWidgetPrivate::setWinId (this=0x245e760, id=0) at kernel/qwidget.cpp:1731
#17 0x0000003947060de2 in QWidget::destroy (this=0x24dbd50, destroyWindow=true, destroySubWindows=<optimized out>) at kernel/qwidget_x11.cpp:1100
#18 0x0000003947013f3d in QWidget::~QWidget (this=0x24dbd50, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1686
#19 0x0000003947014269 in QWidget::~QWidget (this=0x24dbd50, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1701
#20 0x0000003a91f88a32 in QObjectPrivate::deleteChildren (this=0x2874230) at kernel/qobject.cpp:1908
#21 0x0000003947013f14 in QWidget::~QWidget (this=0x242a160, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#22 0x00000039474ecec9 in QListView::~QListView (this=0x242a160, __in_chrg=<optimized out>) at itemviews/qlistview.cpp:207
#23 0x0000003a91f88a32 in QObjectPrivate::deleteChildren (this=0x2399f50) at kernel/qobject.cpp:1908
#24 0x0000003947013f14 in QWidget::~QWidget (this=0x16ebd30, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#25 0x00007f984d2f3af9 in ParameterEditWidget::~ParameterEditWidget() () from /lib64/libktpaccountskcminternal.so.4
#26 0x0000003a91f88a32 in QObjectPrivate::deleteChildren (this=0x25630c0) at kernel/qobject.cpp:1908
#27 0x0000003947013f14 in QWidget::~QWidget (this=0x2135360, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#28 0x00007f984d2ef039 in AccountEditWidget::~AccountEditWidget() () from /lib64/libktpaccountskcminternal.so.4
#29 0x0000003a91f88a32 in QObjectPrivate::deleteChildren (this=0x250ebe0) at kernel/qobject.cpp:1908
#30 0x0000003947013f14 in QWidget::~QWidget (this=0x7ffffe0126f0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#31 0x00007f984d51faab in ?? () from /usr/lib64/kde4/kcm_ktp_accounts.so
#32 0x0000003a91f8cb9f in QMetaObject::activate (sender=0x20989e0, m=<optimized out>, local_signal_index=<optimized out>, argv=0x7ffffe012880) at kernel/qobject.cpp:3547
#33 0x000000394762ece2 in QAbstractButton::clicked (this=<optimized out>, _t1=false) at .moc/release-shared/moc_qabstractbutton.cpp:219
#34 0x0000003947382fde in QAbstractButtonPrivate::emitClicked (this=this@entry=0x2098a20) at widgets/qabstractbutton.cpp:548
#35 0x00000039473835e0 in QAbstractButtonPrivate::click (this=this@entry=0x2098a20) at widgets/qabstractbutton.cpp:541
#36 0x000000394738384c in QAbstractButton::mouseReleaseEvent (this=0x20989e0, e=0x7ffffe013120) at widgets/qabstractbutton.cpp:1123
#37 0x0000003947019b50 in QWidget::event (this=0x20989e0, event=0x7ffffe013120) at kernel/qwidget.cpp:8371
#38 0x0000003946fca37c in QApplicationPrivate::notify_helper (this=this@entry=0x1683ba0, receiver=receiver@entry=0x20989e0, e=e@entry=0x7ffffe013120) at kernel/qapplication.cpp:4551
#39 0x0000003946fcf05b in QApplication::notify (this=<optimized out>, receiver=0x20989e0, e=0x7ffffe013120) at kernel/qapplication.cpp:4094
#40 0x0000003948a46756 in KApplication::notify (this=0x7ffffe016d20, receiver=0x20989e0, event=0x7ffffe013120) at /usr/src/debug/kdelibs-4.8.4/kdeui/kernel/kapplication.cpp:311
#41 0x0000003a91f763ee in QCoreApplication::notifyInternal (this=0x7ffffe016d20, receiver=0x20989e0, event=0x7ffffe013120) at kernel/qcoreapplication.cpp:915
#42 0x0000003946fcb1bb in sendEvent (event=<optimized out>, receiver=<optimized out>) at ../../src/corelib/kernel/qcoreapplication.h:231
#43 QApplicationPrivate::sendMouseEvent (receiver=0x20989e0, event=0x7ffffe013120, alienWidget=0x0, nativeWidget=0x20989e0, buttonDown=0x3947a9dd68, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3162
#44 0x0000003947045894 in QETWidget::translateMouseEvent (this=this@entry=0x20989e0, event=event@entry=0x7ffffe013890) at kernel/qapplication_x11.cpp:4523
#45 0x0000003947044621 in QApplication::x11ProcessEvent (this=0x7ffffe016d20, event=0x7ffffe013890) at kernel/qapplication_x11.cpp:3646
#46 0x000000394706a60c in x11EventSourceDispatch (s=s@entry=0x1674d00, callback=0, user_data=0x0) at kernel/qguieventdispatcher_glib.cpp:148
#47 0x00000037ad4476e5 in g_main_dispatch (context=0x1674b40) at gmain.c:2539
#48 g_main_context_dispatch (context=context@entry=0x1674b40) at gmain.c:3075
#49 0x00000037ad447a18 in g_main_context_iterate (context=context@entry=0x1674b40, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3146
#50 0x00000037ad447ad4 in g_main_context_iteration (context=0x1674b40, may_block=1) at gmain.c:3207
#51 0x0000003a91fa44e6 in QEventDispatcherGlib::processEvents (this=0x163d990, flags=...) at kernel/qeventdispatcher_glib.cpp:424
#52 0x000000394706a2ee in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:207
#53 0x0000003a91f7513f in QEventLoop::processEvents (this=this@entry=0x7ffffe013c70, flags=...) at kernel/qeventloop.cpp:149
#54 0x0000003a91f753c8 in QEventLoop::exec (this=0x7ffffe013c70, flags=...) at kernel/qeventloop.cpp:204
#55 0x000000394747d2c8 in QDialog::exec (this=0x1f11f60) at dialogs/qdialog.cpp:554
#56 0x0000000000421bfb in _start ()