Update WorkResourceGenerator

This update will include the lazy migration line if the work ends with
'Resource' and the 'migrating from' work already exists.

lib/generators/hyku_knapsack/work_resource/work_resource_generator.rb

@@ -121,13 +121,14 @@ def insert_hyku_works_controller_behavior
 
   def insert_hyku_extra_includes_into_model
     model = File.join('../app/models/', class_path, "#{file_name}.rb")
+    af_model = "#{class_name}".gsub('Resource', '')&.safe_constantize if class_name.end_with?('Resource')
     insert_into_file model, before: "end" do
       <<-RUBY.gsub(/^ {8}/, '  ')
         include Hyrax::Schema(:with_pdf_viewer)
         include Hyrax::Schema(:with_video_embed)
         include Hyrax::ArResource
         include Hyrax::NestedWorks
-
+        #{ "\n  Hyrax::ValkyrieLazyMigration.migrating(self, from: #{af_model})\n" if af_model }
         include IiifPrint.model_configuration(
           pdf_split_child_model: GenericWorkResource,
           pdf_splitter_service: IiifPrint::TenantConfig::PdfSplitter