add blobs proxy controller

lib/submissions/generate_audit_trail.rb

@@ -98,7 +98,7 @@ module Submissions
         end
 
         link =
-          Rails.application.routes.url_helpers.rails_blob_url(document, **Docuseal.default_url_options)
+          ActiveStorage::Blob.proxy_url(document.blob)
 
         [
           composer.document.layout.formatted_text_box(
@@ -228,7 +228,7 @@ module Submissions
                 Array.wrap(value).map do |uuid|
                   attachment = submitter.attachments.find { |a| a.uuid == uuid }
                   link =
-                    Rails.application.routes.url_helpers.rails_blob_url(attachment, **Docuseal.default_url_options)
+                    ActiveStorage::Blob.proxy_url(attachment.blob)
 
                   { link:, text: "#{attachment.filename}\n", style: :link }
                 end,

lib/submissions/generate_result_attachments.rb

@@ -131,7 +131,7 @@ module Submissions
                     height - (area['y'] * height) - lines[..next_index].sum(&:height) + height_diff
                   ],
                   A: { Type: :Action, S: :URI,
-                       URI: h.rails_blob_url(attachment, **Docuseal.default_url_options) }
+                       URI: ActiveStorage::Blob.proxy_url(attachment.blob) }
                 }
               )
 

lib/submitters/serialize_for_webhook.rb

@@ -76,7 +76,7 @@ module Submitters
     def rails_storage_proxy_url(attachment)
       return if attachment.blank?
 
-      r.rails_storage_proxy_url(attachment, **Docuseal.default_url_options)
+      ActiveStorage::Blob.proxy_url(attachment.blob)
     end
 
     def r