Revert "fix n+1 for admin product images"

This reverts commit 2acb334efd85c5e0467a1db64938cf28f08d8fe8.
Add scoping when matching to orders tax_zone to find possible relevant zones

Ensure default tax zone

Add cached_kind attribute to Zone

Add associations to countries and states through zones - pluck ID's to optimize expensive Spree::Zone#contains? method

Fix removing default tax from orders outside the default tax zone issue

Set up a Zone#kind in the db instead

Fixes #5650
Clicking around works better than js to fade away datepicker.
Prevent ordering unpersisted product properties. Fixes #5703