fix(uploads): retry failed files and report full storage

packages/i18n/locales/en/errors.json

@@ -80,6 +80,7 @@
     "update_unavailable": "Update is unavailable"
   },
   "uploads": {
+    "storage_full": "The server has no space left for uploads. Ask an administrator to free up space, then retry the upload.",
     "queue_full": "The upload queue is full",
     "user_quota_full": "Your upload queue limit is exceeded",
     "too_large": "The file is larger than allowed",