WebEngine crashes when navigating from facebook to youtube

reproducible on simple example (i used quicknanobrowser) steps:

1. navigate to facebook.com and login
2. after successfull login navigate in same tab to youtube.com
3. crash

on debug version there is assertion error

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Microsoft Visual C++ Runtime Library
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Debug Assertion Failed!

Program: C:\Qt\6.8.1\msvc2022_64\bin\Qt6WebEngineCored.dll
File: C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Tools\MSVC\14.29.30133\include\list
Line: 150

Expression: cannot dereference value-initialized list iterator

For information on how your program can cause an assertion
failure, see the Visual C++ documentation on asserts.

(Press Retry to debug the application)

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Abort   Retry   Ignore   
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