* Prevent virtual parts from being linked in a BuildOrder
* Hide "stock" tab for virtual parts
* Filter out virtual parts when creating a new stock item
* Support virtual parts in sales orders
* Add 'virtual' filter for BomItem
* Hide stock badges for virtual parts
* Tweak PartDetail page
* docs
* Adjust completion logic for SalesOrder
* Fix backend filter
* Remove restriction
* Adjust table
* Fix for "pending_line_items"
* Hide more panels for "Virtual" part
* Add badge for "virtual" part
* Bump API version
* Fix docs link