D28180: [applets/systemtray] Hide/show expander arrow - regression fix

[Konrad Materka]

kmaterka added inline comments.

INLINE COMMENTS

> ExpanderArrow.qml:31
>      implicitHeight: implicitWidth
> -    visible: root.hiddenLayout.contentItem.children.length > 0
> +    visible: root.hiddenLayout.itemCount > 0
>  

ideally `root.hiddenLayout.count` should be used, but `count` is not updated until ListView is rendered.

REPOSITORY
  R120 Plasma Workspace

REVISION DETAIL
  https://phabricator.kde.org/D28180

To: kmaterka, #plasma_workspaces, #plasma, ngraham, broulik, davidedmundson
Cc: plasma-devel, Orage, LeGast00n, The-Feren-OS-Dev, cblack, jraleigh, zachus, fbampaloukas, GB_2, ragreen, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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