ListView issue with ScrollViewer/ItemsPanelTemplate

[imadenis]

Bug explanation

Ticket #3579 ( #3579 ) introduced a breaking behavior in my application.

Having a ListView with a Style that targets the ItemsPanel, the ScrollViewer is not visible anymore at the bottom.

I have made a repo to demonstrate the bug:

https://github.com/imadenis/MaterialDesignBug

I have pinpointed the issue to come from the <Style.Trigger> introduced at line 159
MaterialDesignThemes.Wpf/Themes/MaterialDesignTheme.ScrollViewer.xaml

Version

5.1.0

[nicolaihenriksen]

@JorisCleVR I am tagging you here because at first glance it seems this was introduced by the padding PR you submitted. Would you have time to look at the issue? If not, no worries, we'll get around to it eventually.

[JorisCleVR]

@nicolaihenriksen It seems that during my PR the IgnorePadding property of the ScrollViewerAssist accidently changed to false by default. I created a PR to fix this: #3622