Missing reference and warehouse on request quotation tree view

The fields are not available on the view, they should be added as optional to allow the user to show them when needed.

added purchasing type::behavior labels

assigned to @pokoli

changed title from Missing reference and warehouse on requisition line tree view to Missing reference and warehouse on request quotation tree view

mentioned in commit d9e4e75f15fe

mentioned in merge request !1221 (merged)

added type::feature label and removed type::behavior label

mentioned in commit 7544bf33564f

mentioned in commit ab00a329ce60

mentioned in commit 1854f1c43dc0

closed with merge request !1221 (merged)