Crash while processing a shortcut key

The attached app demonstrates a scenario where processing a shortcut key (delete) causes the application to crash due to a dangling pointer in QShortcutEntry::owner.

Please follow the instructions embedded in the app:
1. open New Page
2. close the page
3. press delete key
4. crash

You can avoid the crash by modifying the code as follows:
a. comment out shortcut
b. comment out MenuItem

Initial analysis shows that QShortcutEntry::owner pointer should be protected against unexpected deletion. In addition, there is a bug in the declarative side as well, because the shortcut entry is not properly cleared for MenuItem.