fix: revert delay in sidekiq pdf generation

app/models/task.rb

@@ -1343,7 +1343,7 @@ def accept_submission(current_user, files, ui, contributions, trigger, alignment
     logger.info "Submission accepted! Status for task #{id} is now #{trigger}"
 
     # Trigger processing of new submission - async
-    AcceptSubmissionJob.perform_in(5.seconds, id, current_user.id, accepted_tii_eula)
+    AcceptSubmissionJob.perform_async(id, current_user.id, accepted_tii_eula)
   end
 
   # The name that should be used for the uploaded file (based on index of upload requirements)