refactor(attachment): extract PendingPoll component

app/components/attachment/edit_component/edit_component.html.haml

@@ -27,11 +27,10 @@
   - if !as_multiple?
     = file_field(champ, field_name, **file_field_options)
 
-    - if in_progress?
-      %div{ data: poll_controller_options }
-        - if attachment.created_at < 30.seconds.ago
-          .fr-mt-2w
-            = render Attachment::LongProcessingRefreshComponent.new(attachment: attachment)
+    - if persisted?
+      - Attachment::PendingPollComponent.new(attachment: attachment, poll_url:).then do |component|
+        .fr-mt-2w
+          = render component
 
   .attachment-error.hidden
     %p.fr-error-text= t('.errors.uploading')