[#62] Trash/Restore/Delete Auction's Associated Bid Product

[bd-viget]

Summary

This PR handles the trashing, restoring, and deleting of Bid Products when the action of the same type is performed on the associated Auction.

Issues

• Delete the associated Bid product if the Auction is deleted #62

Testing Instructions

1. Create an Auction
   • You should see a new Bid Product under Products with the SKU: BID-{Auction ID}
2. Move the Auction to the Trash
   • The associated Bid Product should automatically be moved to the trash
3. Restore the Auction
   • The associated Bid Product should automatically be restored from the trash
4. Trash the Auction & Delete Permanently
   • The associated Bid Product should automatically be deleted permanently.

[nathan-schmidt-viget]

Works great!