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

[Kai Uwe Broulik]

broulik added a comment.


  I would suggest we add a `count` property with a `NOTIFY` signal on the model which is then updated on C++ side? I find that cleaner than doing that from QML like this

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, ragreen, ZrenBot, ngraham, himcesjf, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, ahiemstra, mart
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