fix submission nil name

lib/submissions/generate_audit_trail.rb

@@ -61,7 +61,7 @@ module Submissions
         ActiveStorage::Attachment.create!(
           blob: ActiveStorage::Blob.create_and_upload!(
             io: io.tap(&:rewind), filename: "#{I18n.t('audit_log')} - " \
-                                            "#{submission.name || submission.template.name}.pdf"
+                                            "#{submission.name || submission.template&.name}.pdf"
           ),
           name: 'audit_trail',
           record: submission

lib/submissions/generate_combined_attachment.rb

@@ -37,7 +37,7 @@ module Submissions
 
       ActiveStorage::Attachment.create!(
         blob: ActiveStorage::Blob.create_and_upload!(
-          io: io.tap(&:rewind), filename: "#{submission.name || submission.template.name}.pdf"
+          io: io.tap(&:rewind), filename: "#{submission.name || submission.template&.name}.pdf"
         ),
         name: with_audit ? 'combined_document' : 'merged_document',
         record: submission

lib/submissions/generate_preview_attachments.rb

@@ -68,7 +68,7 @@ module Submissions
           submission:,
           values_hash:,
           name: 'preview_merged_document',
-          filename: "#{submission.name || template.name}.pdf"
+          filename: "#{submission.name || template&.name}.pdf"
         )
 
         ApplicationRecord.no_touching { attachment.save! }
@@ -112,7 +112,7 @@ module Submissions
             submitter:,
             uuid: GenerateResultAttachments.images_pdf_uuid(original_documents.select(&:image?)),
             values_hash:,
-            filename: "#{submission.name || template.name}.pdf"
+            filename: "#{submission.name || template&.name}.pdf"
           )
 
         ApplicationRecord.no_touching do

lib/submissions/generate_result_attachments.rb

@@ -125,7 +125,7 @@ module Submissions
           tsa_url:,
           pkcs:,
           uuid: images_pdf_uuid(original_documents.select(&:image?)),
-          name: submission.name || submission.template.name
+          name: submission.name || submission.template&.name
         )
 
       ApplicationRecord.no_touching do