applets/notifications: Explicitly set implicitHeight on FooterLoader

Kai Uwe Broulikrequested to merge
work/kbroulik/noti-weird-collapse into master
  • applets/notifications: Explicitly set implicitHeight on FooterLoader

implicitHeight, while supposed to be used when preferredHeight is not set (i.e. the default -1), this does not seem propagate properly through the Loader when it becomes zero, resulting in the footer's height remaining the same when the job finishes without any contents.

Been chasing this forever. I looked with gammaray and all items in the JobItem are invisible, so the implicit size becomes zero but for some reason, even though Layout.minimumHeight is 0, Layout.preferredHeight is -1 and implicitHeight becomes 0, the Loader doesn’t shrink. What am I missing?

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