adjust signature prefill

app/controllers/templates_form_preview_controller.rb

@@ -1,8 +1,6 @@
 # frozen_string_literal: true
 
 class TemplatesFormPreviewController < ApplicationController
-  PRELOAD_ALL_PAGES_AMOUNT = 200
-
   layout 'form'
 
   load_and_authorize_resource :template
@@ -15,20 +13,7 @@ class TemplatesFormPreviewController < ApplicationController
 
     @submitter.submission.submitters = @template.submitters.map { |item| Submitter.new(uuid: item['uuid']) }
 
-    ActiveRecord::Associations::Preloader.new(
-      records: [@submitter],
-      associations: [submission: [:template, { template_schema_documents: :blob }]]
-    ).call
-
-    total_pages =
-      @submitter.submission.template_schema_documents.sum { |e| e.metadata.dig('pdf', 'number_of_pages').to_i }
-
-    if total_pages < PRELOAD_ALL_PAGES_AMOUNT
-      ActiveRecord::Associations::Preloader.new(
-        records: @submitter.submission.template_schema_documents,
-        associations: [:blob, { preview_images_attachments: :blob }]
-      ).call
-    end
+    Submitters.preload_with_pages(@submitter)
 
     @attachments_index = ActiveStorage::Attachment.where(record: @submitter.submission.submitters, name: :attachments)
                                                   .preload(:blob).index_by(&:uuid)