added recursive -1 to Product model -> filterPagination function -> query, got nesting error otherwise
Fixed bug in product modal
added better state overview element
Update in_stock based on the variants of the product #19922
Merge branch '0.4MPI' of /srv/hub/cakephp2/plugins/Shop into 0.4MPI
Allow empty property value id. refs #19986
Rework afterFind and allow empty PropertyValue. refs #19986
Remove reference number when response status is different then AU. refs #19960