Fix the crash in the interface for managing preference packs #18726
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Closes #18725. The cause of the crash is a direct invocation of
QDialog::showEvent(QShowEvent *event)
withnullptr
, leading to the segmentation fault. 1 Simple minuscule refactoring fixes it.Footnotes
https://github.com/qt/qtbase/blob/d89cef439f5c1a58aeff879a12d9a33292764b7f/src/widgets/dialogs/qdialog.cpp#L851-L860 ↩