🧹 Revert previous commit and update Bulkrax

This commit will update Bulkrax to 5.4.1 instead of using the override
from the last commit.  We also revert the changes from the last commit.

Gemfile

@@ -18,7 +18,7 @@ gem 'blacklight_oai_provider', '~> 6.1', '>= 6.1.1'
 gem 'blacklight_range_limit', '6.5.0'
 gem 'bolognese', '>= 1.9.10'
 gem 'bootstrap-datepicker-rails'
-gem 'bulkrax', '~> 5.3'
+gem 'bulkrax', '~> 5.4'
 gem 'byebug', group: %i[development test]
 gem 'capybara', group: %i[test]
 gem 'capybara-screenshot', '~> 1.0', group: %i[test]

Gemfile.lock

@@ -266,7 +266,7 @@ GEM
       signet (~> 0.8)
       typhoeus
     builder (3.2.4)
-    bulkrax (5.4.0)
+    bulkrax (5.4.1)
       bagit (~> 0.4)
       coderay
       dry-monads (~> 1.4.0)
@@ -1328,7 +1328,7 @@ DEPENDENCIES
   blacklight_range_limit (= 6.5.0)
   bolognese (>= 1.9.10)
   bootstrap-datepicker-rails
-  bulkrax (~> 5.3)
+  bulkrax (~> 5.4)
   byebug
   capybara
   capybara-screenshot (~> 1.0)

app/factories/bulkrax/object_factory_decorator.rb

@@ -8,21 +8,6 @@ module ObjectFactoryDecorator
     def environment(attrs)
       Hyrax::Actors::Environment.new(object, Ability.new(@user), attrs, true)
     end
-
-    # TODO: Verify and remove this once Bulkrax is updated 5.4.1 over greater and this is no longer needed
-    def search_by_identifier
-      # ref: https://github.com/samvera-labs/bulkrax/issues/866
-      # ref:https://github.com/samvera-labs/bulkrax/issues/867
-      # work_index = ::ActiveFedora.index_field_mapper.solr_name(work_identifier, :facetable)
-      work_index = work_identifier
-      query = { work_index =>
-                source_identifier_value }
-      # Query can return partial matches (something6 matches both something6 and something68)
-      # so we need to weed out any that are not the correct full match. But other items might be
-      # in the multivalued field, so we have to go through them one at a time.
-      match = klass.where(query).detect { |m| m.send(work_identifier).include?(source_identifier_value) }
-      return match if match
-    end
   end
 end