Explicitely load our DFC Connector patches

It makes sure we can extend functionality without conflicts.

engines/dfc_provider/app/controllers/dfc_provider/supplied_products_controller.rb

@@ -43,7 +43,7 @@ module DfcProvider
     private
 
     def import
-      DfcLoader.connector.import(request.body)
+      DfcIo.import(request.body)
     end
 
     def variant

engines/dfc_provider/app/services/dfc_io.rb

@@ -1,5 +1,8 @@
 # frozen_string_literal: true
 
+# Load our monkey-patches:
+require "data_food_consortium/connector/connector"
+
 # Our interface to the DFC Connector library.
 module DfcIo
   # Serialise DFC Connector subjects as JSON-LD string.
@@ -8,4 +11,8 @@ module DfcIo
 
     DfcLoader.connector.export(*subjects)
   end
+
+  def self.import(json_string_or_io)
+    DfcLoader.connector.import(json_string_or_io)
+  end
 end

lib/data_food_consortium/connector/connector.rb

@@ -1,7 +1,11 @@
 # frozen_string_literal: true
 
-require_relative "context"
+# Load the original library first:
+require "datafoodconsortium/connector"
+
+# Then our tools for monky-patching:
 require_relative "importer"
+require_relative "context"
 
 module DataFoodConsortium
   module Connector