Replace removed method #retrieve_collector_from_mimes

https://apidock.com/rails/v4.1.8/ActionController/MimeResponds/retrieve_collector_from_mimes

lib/spree/core/controller_helpers/respond_with.rb

@@ -30,6 +30,22 @@ module ActionController
         (options.delete(:responder) || Spree::Responder).call(self, resources, options)
       end
     end
+
+    private
+
+    def retrieve_collector_from_mimes(mimes = nil, &block)
+      mimes ||= collect_mimes_from_class_level
+      collector = Collector.new(mimes, request.variant)
+      block.call(collector) if block_given?
+      format = collector.negotiate_format(request)
+
+      if format
+        _process_format(format)
+        collector
+      else
+        raise ActionController::UnknownFormat
+      end
+    end
   end
 end