This is done to leave the background color and content margin handling fully in the extension user's hands.

[BUGFIX] Add record filter to ListByCategory and OverviewWithoutCategories view for ScrollBrowser JS to work

[TASK] Discard ScrollBrowser Filtering and add hint that pagination can break to newsByCategory plugin

Beforehand all category headers were shown first, then all article teasers. Now the teasers are divided into categories.