Review Request 124306: Don't choke on empty QIconItem

[Aleix Pol Gonzalez]

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Review request for KDE Frameworks.


Repository: kdeclarative


Description
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Sometimes QML components have 0 width and height and that's perfectly fine.

If we try to paint it, we get warnings such as:
`QPainter::begin: Paint device returned engine == 0, type: 2`


Diffs
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  src/qmlcontrols/kquickcontrolsaddons/qiconitem.cpp 3a9dd17 

Diff: https://git.reviewboard.kde.org/r/124306/diff/


Testing
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Fixes the issue in muon-discover, doesn't break tests.


Thanks,

Aleix Pol Gonzalez

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