RadiozRadioz

When I got this, I had used `account_api_key` instead of `api_token` to specify my API token. Changing the variable to `api_token` fixed the issue. A generic 400 made me think...

In https://github.com/usememos/memos/pull/4514 , commenters noted that the field should not be optional according to Google's AIP. The PR was then closed under the assumption that the nullability field was irrelevant....