fix(uploads): serialize status filters and resize oversized covers

packages/i18n/locales/en/errors.json

@@ -2,6 +2,7 @@
   "common": {
     "internal": "Something went wrong on the server. Please try again",
     "bad_request": "Invalid request",
+    "request_too_large": "The request exceeds the server size limit. Reduce the amount of data being sent.",
     "not_found": "Not found",
     "method_not_allowed": "This action is not supported",
     "network": "Cannot reach the server. Check your network"
@@ -26,6 +27,8 @@
     "forbidden": "You don't have permission to do this"
   },
   "validation": {
+    "cover_type": "Could not read the cover. Choose a JPEG, PNG or WebP image.",
+    "cover_too_large": "Could not reduce the cover below 8 MB. Choose a smaller image.",
     "user_archive_invalid": "Invalid user file: check the version, usernames, roles and password hashes. No changes were saved.",
     "password_too_short": "The password must be at least {{min}} characters",
     "password_too_long": "The password must be at most {{max}} characters",