QPopupEdit occupying QDataTable space

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Good day. I tried playing with QPopupEdit component in QDataTable and found out that it occupies the space of QDataTable if you type long texts on it. Is this an expected behavior? I think it would be better if the QPopupEdit is placed on a different z-index/layer or the QPopupEdit should not expand if a long text is typed without putting some CSS hacks. Here are some screenshots I’ve took. Thanks!