🧹 Remove use of SortTitle and arrange modules

The `SortTitle` constant is no longer in Hyku; so gone it goes.

Also modules that add properties must be declared before the
Hyrax::BasicMetadata module.

Related to:

- notch8/palni-palci#903

app/indexers/app_indexer.rb

@@ -12,10 +12,8 @@ class AppIndexer < Hyrax::WorkIndexer
   # Uncomment this block if you want to add custom indexing behavior:
   def generate_solr_document
     super.tap do |solr_doc|
-      solr_doc["account_cname_tesim"] = Site.instance&.account&.cname
-      solr_doc['title_ssi'] = SortTitle.new(object.title.first).alphabetical
-      solr_doc['bulkrax_identifier_tesim'] = object.bulkrax_identifier
       solr_doc['account_cname_tesim'] = Site.instance&.account&.cname
+      solr_doc['bulkrax_identifier_tesim'] = object.bulkrax_identifier if object.respond_to?(:bulkrax_identifier)
       solr_doc['all_text_tsimv'] = full_text(object.file_sets.first&.id)
       add_date(solr_doc)
     end

app/models/generic_work.rb

@@ -2,6 +2,7 @@
 
 class GenericWork < ActiveFedora::Base
   include ::Hyrax::WorkBehavior
+  include PdfBehavior
   include ::Hyrax::BasicMetadata
 
   if ActiveModel::Type::Boolean.new.cast(ENV.fetch('HYKU_IIIF_PRINT', false))
@@ -10,7 +11,6 @@ class GenericWork < ActiveFedora::Base
       pdf_splitter_service: IiifPrint::TenantConfig::PdfSplitter
     )
   end
-  include PdfBehavior
 
   validates :title, presence: { message: 'Your work must have a title.' }
 

app/models/image.rb

@@ -4,16 +4,14 @@
 #  `rails generate hyrax:work Image`
 class Image < ActiveFedora::Base
   include ::Hyrax::WorkBehavior
+  include PdfBehavior
 
   if ActiveModel::Type::Boolean.new.cast(ENV.fetch('HYKU_IIIF_PRINT', false))
     include IiifPrint.model_configuration(
       pdf_split_child_model: GenericWork,
       pdf_splitter_service: IiifPrint::TenantConfig::PdfSplitter
     )
   end
-  include PdfBehavior
-
-  self.indexer = ImageIndexer
 
   property :extent, predicate: ::RDF::Vocab::DC.extent, multiple: true do |index|
     index.as :stored_searchable