ShortcutOverride triggered three times even though the event is accepted (and filtered)

0	Widget::eventFilter	widget.cpp	26	0x1000031ec	
1	QCoreApplicationPrivate::sendThroughObjectEventFilters	qcoreapplication.cpp	863	0x1018d5d3c	
2	QApplicationPrivate::notify_helper	qapplication.cpp	3394	0x10005861b	
3	QApplication::notify	qapplication.cpp	2866	0x10005a543	
4	QCoreApplication::notifyInternal	qcoreapplication.cpp	767	0x1018d589f	
5	QCoreApplication::sendSpontaneousEvent	qcoreapplication.h	206	0x10006098f	
6	QWidgetWindow::handleKeyEvent	qwidgetwindow.cpp	436	0x1000de156	
7	QWidgetWindow::event	qwidgetwindow.cpp	147	0x1000ddabb	
8	QApplicationPrivate::notify_helper	qapplication.cpp	3398	0x100058645	
9	QApplication::notify	qapplication.cpp	2829	0x10005a15f	
10	QCoreApplication::notifyInternal	qcoreapplication.cpp	767	0x1018d589f	
11	QCoreApplication::sendEvent	qcoreapplication.h	203	0x100d0415a	
12	QShortcutMap::tryShortcutEvent	qshortcutmap.cpp	333	0x100d435c4	
13	QWindowSystemInterface::tryHandleShortcutEvent	qwindowsysteminterface.cpp	188	0x100ce7470	
14	-[QNSView handleKeyEvent:eventType:]	qnsview.mm	785	0x103e1b9d7	
15	-[QNSView keyDown:]	qnsview.mm	810	0x103e1be93	
16	-[NSWindow sendEvent:]			0x7fff9380f120	
17	-[QNSWindow sendEvent:]	qcocoawindow.mm	129	0x103e12832	
18	-[NSApplication sendEvent:]			0x7fff9380a744	
19	-[QNSApplication sendEvent:]	qcocoaapplication.mm	183	0x103e2ab2d	
20	-[NSApplication run]			0x7fff937202fa	
21	QCocoaEventDispatcher::processEvents	qcocoaeventdispatcher.mm	588	0x103e23b48	
22	QEventLoop::processEvents	qeventloop.cpp	136	0x1018d104c	
23	QEventLoop::exec	qeventloop.cpp	212	0x1018d1265	
24	QCoreApplication::exec	qcoreapplication.cpp	1020	0x1018d6042	
25	QGuiApplication::exec	qguiapplication.cpp	1183	0x100cfcc16	
26	QApplication::exec	qapplication.cpp	2673	0x100059ba9	
27	main	main.cpp	10	0x100002d99	

0	Widget::eventFilter	widget.cpp	26	0x1000031ec	
1	QCoreApplicationPrivate::sendThroughObjectEventFilters	qcoreapplication.cpp	863	0x1018d5d3c	
2	QApplicationPrivate::notify_helper	qapplication.cpp	3394	0x10005861b	
3	QApplication::notify	qapplication.cpp	2866	0x10005a543	
4	QCoreApplication::notifyInternal	qcoreapplication.cpp	767	0x1018d589f	
5	QCoreApplication::sendEvent	qcoreapplication.h	203	0x100d0415a	
6	QShortcutMap::tryShortcutEvent	qshortcutmap.cpp	333	0x100d435c4	
7	QApplication::notify	qapplication.cpp	2849	0x10005a3e8	
8	QCoreApplication::notifyInternal	qcoreapplication.cpp	767	0x1018d589f	
9	QCoreApplication::sendSpontaneousEvent	qcoreapplication.h	206	0x10006098f	
10	QWidgetWindow::handleKeyEvent	qwidgetwindow.cpp	436	0x1000de156	
11	QWidgetWindow::event	qwidgetwindow.cpp	147	0x1000ddabb	
12	QApplicationPrivate::notify_helper	qapplication.cpp	3398	0x100058645	
13	QApplication::notify	qapplication.cpp	2829	0x10005a15f	
14	QCoreApplication::notifyInternal	qcoreapplication.cpp	767	0x1018d589f	
15	QCoreApplication::sendSpontaneousEvent	qcoreapplication.h	206	0x100d04d0f	
16	QGuiApplicationPrivate::processKeyEvent	qguiapplication.cpp	1513	0x100cfe101	
17	QGuiApplicationPrivate::processWindowSystemEvent	qguiapplication.cpp	1255	0x100cfd014	
18	QWindowSystemInterface::sendWindowSystemEventsImplementation	qwindowsysteminterface.cpp	536	0x100ce898d	
19	QWindowSystemInterface::sendWindowSystemEvents	qwindowsysteminterface.cpp	516	0x100ce8a00	
20	QCocoaEventDispatcherPrivate::processPostedEvents	qcocoaeventdispatcher.mm	1037	0x103e24a94	
21	QCocoaEventDispatcherPrivate::postedEventsSourceCallback	qcocoaeventdispatcher.mm	1058	0x103e25762	
22	__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__			0x7fff9548c101	
23	__CFRunLoopDoSources0			0x7fff9548ba25	
24	__CFRunLoopRun			0x7fff954aedc5	
25	CFRunLoopRunSpecific			0x7fff954ae6b2	
26	RunCurrentEventLoopInMode			0x7fff932310a4	
27	ReceiveNextEventCommon			0x7fff93230d84	
28	BlockUntilNextEventMatchingListInMode			0x7fff93230cd3	
29	_DPSNextEvent			0x7fff93729613	
30	-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:]			0x7fff93728ed2	
31	-[NSApplication run]			0x7fff93720283	
32	QCocoaEventDispatcher::processEvents	qcocoaeventdispatcher.mm	588	0x103e23b48	
33	QEventLoop::processEvents	qeventloop.cpp	136	0x1018d104c	
34	QEventLoop::exec	qeventloop.cpp	212	0x1018d1265	
35	QCoreApplication::exec	qcoreapplication.cpp	1020	0x1018d6042	
36	QGuiApplication::exec	qguiapplication.cpp	1183	0x100cfcc16	
37	QApplication::exec	qapplication.cpp	2673	0x100059ba9	
38	main	main.cpp	10	0x100002d99