Merge pull request #5001 from betagouv/fix-attachment-errors

javascript: ignore errors of attachments pooler

app/javascript/shared/remote-poller.js

@@ -67,7 +67,9 @@ class RemotePoller {
     let urls = this.urls;
     this.reset();
     for (let url of urls) {
-      ajax({ url, type: 'get' });
+      // Start the request. The JS payload in the response will update the page.
+      // (Errors are ignored, because background tasks shouldn't report errors to the user.)
+      ajax({ url, type: 'get' }).catch(() => {});
     }
   }