Add feature toggle for filtering shipping methods

app/services/order_available_shipping_methods.rb

@@ -20,6 +20,9 @@ class OrderAvailableShippingMethods
   private
 
   def filter_by_category(methods)
+    return methods unless OpenFoodNetwork::FeatureToggle.enabled?(:match_shipping_categories,
+                                                                  distributor&.owner)
+
     required_category_ids = order.products.pluck(:shipping_category_id).to_set
     return methods if required_category_ids.empty?
 

spec/services/order_available_shipping_methods_spec.rb

@@ -234,6 +234,8 @@ describe OrderAvailableShippingMethods do
     before {
       standard_shipping
       cooled_shipping
+
+      Flipper.enable(:match_shipping_categories)
     }
 
     it "provides all shipping methods for an empty order" do