Cannot save passkey to correct existing item

Some background: as a Salesforce developer, I manage multiple test user accounts in a dev environment as part of implementation. Salesforce now requires all accounts to have a passkey — passwords are not enough. If an account is initially with a password, then upon next login a passkey must be created.

The issue:when creating a passkey, 1Password then will show a dialog to either create a new item or update the wrong item (e.g., another user account). There is no way to select the correct 1Password item. So I end up creating a new item, and having to copy all the information from the old entry.