Description of problem:
After using the "Take Rectangular Region Screenshot" hotkey a small notification should appear with a thumbnail of the screenshot with additional options. First kdeinit5 crashes then the notification appears.

Version-Release number of selected component (if applicable):
5.80.1

How reproducible:


Steps to Reproduce:
1. Press "Take Rectangular Region Screenshot" hotkey
2. Select region
3. Press enter to confirm screenshot

Actual results:
Notification of kdeinit5's crash appears
Notification with thumbnail of screenshot appears

Expected results:
Notification with thumbnail of screenshot appears

Additional info:
Crash info generated by DRKonqi
Application: kdeinit5 (kdeinit5), signal: Segmentation fault

[KCrash Handler]
#4  0x00007fe19b8a3ccc in __memmove_avx_unaligned_erms () from /lib64/libc.so.6
#5  0x00007fe19c6aac0d in memcpy (__len=17920, __src=<optimized out>, __dest=0x7fe1885f6000) at /usr/include/bits/string_fortified.h:29
#6  ThumbnailProtocol::get (this=0x7ffd8f3b5c50, url=...) at /usr/src/debug/kio-extras-20.12.2-2.fc34.x86_64/thumbnail/thumbnail.cpp:315
#7  0x00007fe18a937306 in KIO::SlaveBase::dispatch (this=0x7ffd8f3b5c50, command=67, data=...) at /usr/src/debug/kf5-kio-5.80.1-2.fc34.x86_64/src/core/slavebase.cpp:1215
#8  0x00007fe18a92ebc6 in KIO::SlaveBase::dispatchLoop (this=0x7ffd8f3b5c50) at /usr/src/debug/kf5-kio-5.80.1-2.fc34.x86_64/src/core/slavebase.cpp:336
#9  0x00007fe19c6a744a in kdemain (argc=<optimized out>, argv=0x5621439302c0) at /usr/src/debug/kio-extras-20.12.2-2.fc34.x86_64/thumbnail/thumbnail.cpp:138
#10 0x00005621435bc5ab in launch (argc=4, _name=0x5621439306e8 "/usr/lib64/qt5/plugins/kf5/kio/thumbnail.so", args=0x562143930789 "", cwd=<optimized out>, envc=0, envs=<optimized out>, reset_env=false, tty=0x0, avoid_loops=false, startup_id_str=0x5621435bf194 "0") at /usr/src/debug/kf5-kinit-5.80.0-1.fc34.x86_64/src/kdeinit/kinit.cpp:692
#11 0x00005621435bdd4b in handle_launcher_request (sock=7, who=<optimized out>) at /usr/src/debug/kf5-kinit-5.80.0-1.fc34.x86_64/src/kdeinit/kinit.cpp:1130
#12 0x00005621435be380 in handle_requests (waitForPid=0) at /usr/src/debug/kf5-kinit-5.80.0-1.fc34.x86_64/src/kdeinit/kinit.cpp:1323
#13 0x00005621435b90e1 in main (argc=2, argv=<optimized out>) at /usr/src/debug/kf5-kinit-5.80.0-1.fc34.x86_64/src/kdeinit/kinit.cpp:1761
[Inferior 1 (process 73588) detached]