Bug 415224

SUMMARY
After clicking right mouse button, kdenlive crashes. Always. Works on empty project with no clips loaded

STEPS TO REPRODUCE
1. Open kdenlive
2. Right click on timeline (the one with audio and video tracks)

OBSERVED RESULT
App is crashing

EXPECTED RESULT
App doesn't crash

SOFTWARE/OS VERSIONS 
Arch linux
Linux/KDE Plasma:
KDE Plasma Version:  5.17.4
KDE Frameworks Version: 5.64.0
Qt Version: 5.13.2

ADDITIONAL INFORMATION
Output from command line: 
qml: pop menu
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = kdenlive path = /usr/bin pid = 53618
KCrash: Arguments: /usr/bin/kdenlive 
KCrash: Attempting to start /usr/lib/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
[1]  + 53618 suspended (signal)  kdenlive

Backtrace:
#0  0x00007ffff697cbd0 in QWidget::windowHandle() const () at /usr/lib/libQt5Widgets.so.5
#1  0x00007fffda611d5a in Dtk::Widget::DPlatformWindowHandle::isEnabledDXcb(QWidget const*) () at /usr/lib/libdtkwidget.so.2
#2  0x00007fffbbd7a98e in dstyle::Style::drawPrimitive(QStyle::PrimitiveElement, QStyleOption const*, QPainter*, QWidget const*) const () at /usr/lib/qt/plugins/styles/libdstyleplugin.so
#3  0x00007fffb34162b2 in  () at /usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#4  0x00007fffb34168de in  () at /usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#5  0x00007ffff654ab33 in QQuickWindowPrivate::polishItems() () at /usr/lib/libQt5Quick.so.5
#6  0x00007ffff64f11e7 in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007ffff64f2284 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007ffff64f2a8b in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007fffb33f8754 in  () at /usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#10 0x00007ffff57d90bd in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#11 0x00007ffff65570d3 in QQuickWindow::event(QEvent*) () at /usr/lib/libQt5Quick.so.5
#12 0x00007fffb33f9713 in  () at /usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#13 0x00007ffff69524e5 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007ffff695be11 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#15 0x00007ffff5431d12 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#16 0x00007ffff57cf305 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib/libQt5Gui.so.5
#17 0x00007ffff57cf538 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#18 0x00007ffff57a9b0c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#19 0x00007fffec3e90ec in  () at /usr/lib/libQt5XcbQpa.so.5
#20 0x00007ffff07d839e in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#21 0x00007ffff07da1b1 in  () at /usr/lib/libglib-2.0.so.0
#22 0x00007ffff07da1f1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#23 0x00007ffff5489b13 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#24 0x00007ffff543083c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#25 0x00007ffff5438676 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#26 0x000055555562a81b in  ()
#27 0x00007ffff4cd1153 in __libc_start_main () at /usr/lib/libc.so.6
#28 0x0000555555631dee in _start ()