This fixes the error UK's is experiencing:
```
PG::AmbiguousColumn: ERROR: column reference "state" is ambiguous LINE
1: SELECT DISTINCT spree_orders.*, CASE WHEN state IN ('cancele...
^ : SELECT DISTINCT spree_orders.*, CASE WHEN state IN ('canceled',
'returned') THEN payment_total WHEN state IS NOT NULL THEN payment_total
- total ELSE 0 END AS balance_value, spree_orders.* FROM "spree_orders"
INNER JOIN "spree_shipments"
```
See
https://app.bugsnag.com/yaycode/openfoodnetwork-uk/errors/6058c45989d37300079e8312?event_id=6058ccd30075af73bcb20000&i=sk&m=nw.
Fixes:
384) Spree::OrderMailer basic behaviour doesn't aggressively escape double quotes in confirmation body
Failure/Error: adjustments = adjustments.to_a + order.shipment_adjustments.to_a
ActionView::Template::Error:
Cannot have a has_many :through association 'Spree::Order#shipment_adjustments' which goes through 'Spree::Order#shipments' before the through association is defined.
# ./app/helpers/checkout_helper.rb:10:in `checkout_adjustments_for'
# ./app/views/spree/order_mailer/_order_summary.html.haml:43:in `_app_views_spree_order_mailer__order_summary_html_haml__2911251238692323485_70331958934800'
# ./app/views/spree/order_mailer/confirm_email_for_customer.html.haml:23:in `_app_views_spree_order_mailer_confirm_email_for_customer_html_haml__3734564010704881256_70331959518520'
# ./app/mailers/spree/order_mailer.rb:35:in `block in confirm_email_for_customer'
# ./app/mailers/spree/order_mailer.rb:33:in `confirm_email_for_customer'
# ./spec/mailers/order_mailer_spec.rb:20:in `block (3 levels) in <top (required)>'
# ------------------
# --- Caused by: ---
# ActiveRecord::HasManyThroughOrderError:
# Cannot have a has_many :through association 'Spree::Order#shipment_adjustments' which goes through 'Spree::Order#shipments' before the through association is defined.
# ./app/helpers/checkout_helper.rb:10:in `checkout_adjustments_for'
Fixes:
259) Spree::ShippingMethod#shipments can gather all the related shipments
Failure/Error: expect(shipping_method.shipments).to include(shipment)
ActiveRecord::HasManyThroughOrderError:
Cannot have a has_many :through association 'Spree::ShippingMethod#shipments' which goes through 'Spree::ShippingMethod#shipping_rates' before the through association is defined.
# ./spec/models/spree/shipping_method_spec.rb:190:in `block (3 levels) in <module:Spree>'
