STEPS TO REPRODUCE
1. open https://snapcraft.io/bitwarden
2. click "Install" and "view in desktop store" buttons (discover opens)
3. close discover

OBSERVED RESULT
plasma shows a crash notification

EXPECTED RESULT
no crash occurs


Program terminated with signal SIGABRT, Aborted.
#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:51
51      ../sysdeps/unix/sysv/linux/raise.c: No such file or directory.
[Current thread is 1 (Thread 0x7fa25ab4c700 (LWP 18726))]
(gdb) bt
#0  __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:51
#1  0x00007fa2a284e7dd in KCrash::defaultCrashHandler(int) ()
   from /usr/lib/x86_64-linux-gnu/libKF5Crash.so.5
#2  <signal handler called>
#3  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#4  0x00007fa29f837801 in __GI_abort () at abort.c:79
#5  0x00007fa299c9a025 in g_assertion_message () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fa299c9a08a in g_assertion_message_expr () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fa25c058811 in ?? () from /usr/lib/x86_64-linux-gnu/libostree-1.so.1
#8  0x00007fa25f58d012 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007fa25cc79552 in ?? () from /usr/lib/x86_64-linux-gnu/libflatpak.so.0
#10 0x00007fa25f58d012 in g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#11 0x00007fa25ccc120d in flatpak_installation_list_remote_refs_sync ()
   from /usr/lib/x86_64-linux-gnu/libflatpak.so.0
#12 0x00007fa25ccc1847 in flatpak_installation_list_installed_refs_for_update ()
   from /usr/lib/x86_64-linux-gnu/libflatpak.so.0
#13 0x00007fa25d1495ff in FlatpakBackend::<lambda()>::operator() (__closure=0x55dc6c754638)
    at ./libdiscover/backends/FlatpakBackend/FlatpakBackend.cpp:733
#14 QtConcurrent::StoredFunctorCall0<_GPtrArray*, FlatpakBackend::loadRemoteUpdates(FlatpakInstallation*)::<lambda()> >::runFunctor (this=0x55dc6c754610)
    at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentstoredfunctioncall.h:60
#15 QtConcurrent::RunFunctionTask<_GPtrArray*>::run (this=0x55dc6c754610)
    at /usr/include/x86_64-linux-gnu/qt5/QtConcurrent/qtconcurrentrunbase.h:108
#16 0x00007fa2a0017fd2 in QThreadPoolThread::run (this=0x55dc692d8a30) at thread/qthreadpool.cpp:101
#17 0x00007fa2a0020aab in QThreadPrivate::start (arg=0x55dc692d8a30) at thread/qthread_unix.cpp:367
---Type <return> to continue, or q <return> to quit---c
#18 0x00007fa29f5df6db in start_thread (arg=0x7fa25ab4c700) at pthread_create.c:463
#19 0x00007fa29f91888f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95