(css) Fix virtual-repeater scrolling bug

UI/WebServerResources/scss/components/virtualRepeat/virtual-repeat.scss

@@ -1,2 +1,10 @@
 /// virtualRepeater.scss -*- Mode: scss; indent-tabs-mode: nil; basic-offset: 2 -*-
 @import 'extends';
+
+md-virtual-repeat-container {
+  md-list {
+    // Fix weird scroll behavior when reaching bottom of list
+    // See https://github.com/angular/material/issues/4169
+    padding-top: 0;
+  }
+}