Berthold Stoeger bbfdf75283 qt-quick: initialize prev and next when adding chart items
The code assumed that when adding chart items to lists, prev
and next are initialized to null. Make this more robust.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2024-03-30 15:20:27 +01:00
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