FIX ensure updateAnchorsOnPage extension is called (#2686)
FIX ensure updateAnchorsOnPage extension is called (#2686)

Currently, if there are no anchors found in the page content, the updateAnchorsOnPage extension is not called.
This change will call the updateAnchorsOnPage extension regardless of the page content.
silverstripe/silverstripe-cms,silverstripe/silverstripe-cms